FCC ID: 2A9BM-K60168-M 60GHz mmwave radar

K60168-M User Manual C-Media Electronics, Inc. Address: 6F., 100, Sec. 4, Civil Blvd., Daan Dist Taipei City, Taiwan R. O. C. Tel No.: +886-2-87731100 Website: https://www.cmedia.com.tw Main specifications Description K60168-M is a hand gesture recognition SoC using 60GHz millimeter-wave radar and AI accelerator. Radar gesture recognition system is mainly composed of the following parts:

Radar transceiver module: responsible for transmitting and receiving millimeter wave signals. Data processing module: responsible for processing the 40MHz clock rate. A 32-bit hardware multiplier. System interface supports little-endian data accesses. Build-in temperature sensor. Power consumption (mW). Gesture mode (1Tx, 3Rx): 36mW. Stop mode: 500uW. Deep power down <200uW. signals received by the radar to extract gesture Transceiver features. Integrated frequency synthesizer, transmitter, Gesture recognition model: responsible for gesture recognition based on gesture features. The SoC has 1 transmit antenna and 3 receive antennas which are integrated on top of a 6.1 x 3.9mm package. This SoC is also able to perform 1D, 2D, and 3D position tracking. As it stands, it can be used in smart phone, tablet, notebook, gaming console, TWS, etc. as human-interface device. Gesture control feature Application distance 1-30 cm Angle, FOV +/- 30 3dB beamwidth. Gesture recognition receiver, baseband and ADC Radar modulation FMCW. Max modulation bandwidth 10GHz from 57~67GHz. DSP Operational modulation bandwidth.

(FCC Requirement) 7GHz from 57~64GHz. Build-in self-test and calibration. Adaptive Interference Cancellation (AIC). Self-Interference Cancellation (SIC). Fast Fourier Transform (FFT) programmable engine. Build-in 3D tracking engine. AI accelerator for machine learning Gesture inference running on AI accelerator to Provide pre-trained gestures for evaluation minimize power consumption and latency. Gesture recognition accuracy > 95%

Power management Personalized gestures DC/DC buck converter with integrated PMU for Gesture tracking, support 3D finger tracking high power efficiency. SoC/AiP Built-in LDO network for enhanced PSRR. Full Integration of millimeter-wave transceiver, BOM count baseband, radar DSP, AI accelerator, DC/DC, and Few external components needed. PMU. Antenna in package design. Require external 8Mbits 3.3V flash, QSPI interface. Interface to host: I2C/UART/GPIO/SPI*2. Support software toolchain for I2C and SPI MCU: ARM Cortex-M0 core. IC body size: 6.1*3.9*1.3mm BGA 35. 40MHz XTAL (1.6*1.2*0.3 mm). 4.7uH*1 (2*1.6*1mm) Inductor. 4.7uF*1 (1.6*0.8*0.8mm) Capacitor. 0.1uF*1 Capacitor. Operation temperature Temperature range: -40 ~ 85 oC Applications True Wireless Stereo (TWS). Gaming control. Smart appliance touchless control. AR/VR gesture control. Mobile phone gaming accessories. Wearable device. Personal IoT. Smart home device / appliance. FCC-B Radio Frequency Interface Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Connect the equipment into an outlet on a circuit different from that to which the receiver is Increase the separation between the equipment and receiver. connected. Consult the dealer or an experienced radio/ TV technician for help. CAUTION:

Any changes or modifications not expressly approved by the grantee of this device could void the user's authority to operate the equipment. FCC Conditions This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference This device must accept any interference received, including interference that may cause undesired operation. FCC ID: 2A9BM-K60168-M RF Exposure warning The equipment complies with FCC RF exposure limits set forth for an uncontrolled environment. The equipment must not be co-located or operating in conjunction with any other antenna or transmitter. This module is intended for OEM integrator. The OEM integrator is responsible for the compliance to all the rules that apply to the product into which this certified RF module is integrated. Additional testing and certification may be necessary when multiple modules are used. USERS MANUAL OF THE END PRODUCT In the users manual of the end product, the end user has to be informed to keep at least 20 cm separation with the antenna while this end product is installed and operated. The end user has to be informed that the FCC radio-frequency exposure guidelines for an uncontrolled environment can be satisfied. The end user has to also be informed that any changes or modifications not expressly approved by the manufacturer could void the user's authority to operate this equipment. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. LABEL OF THE END PRODUCT The final end product must be labeled in a visible area with the following "Contains FCC ID: 2A9BM-

K60168-M". This radio transmitter FCC ID: 2A9BM-K60168-M has been approved by FCC to operate with the antenna types listed below with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Antenna List No. Manufacturer 1 C-Media Part No. K60168-M Antenna Type Peak Gain AiP 9.36 dBi

KuroTM X-Ear 1 AI Gesture-Controlled Headset Quick Start Guide/Warranty English Safety and Notice Safety:

- Do not disassemble.

- Do not place near any high heat as direct sun light, fire, microwave and or the like.

- Do not expose the device to dripping or splashing water.

- Clean with a dry, soft lint-free cloth, do not use any corrosive cleaner or oil.

- Use original or certified cables.

- Avoid dropping from heights. FCC Statement:

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. 01 EN If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help NOTE: This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter. The device has been evaluated to meet general RF exposure requirement. Trademark:

- Xear, Cmedia, C-Media word marks and logos are registered trademarks owned by C-Media Electronics, Inc.

- Other trademarks and trade names are those of their respective owners. 02 EN Package and Contents KuroTM X-Ear 1 Gesture-Controlled Headset Quick Start Guide/Warranty KuroTM X-Ear 1

English /

Kuro X-Ear 1 Quick Start Guide AI Gesture-Controlled Headset USB Type-A to Type-C Cable USB Type-C to Type-A Adapter 1 Kuro X-Ear 1 AI Gesture-Controlled Headset USB Type-A to Type-C Cable USB Type-C to Type-A Adapter Quick Start Guide 2 3 4 03 EN Functional Introduction Microphone 4 Swing Arm Built-in 5 Microphones Microphone/

6 Microphone Swing Arm LED Mode 7 Switch Button Logo LED 8 1 2 Headband Ear Cups and Cushions 3 Volume Control Scroll Wheel Front 9 AI Gesture Controlled Area Left Right 04 EN 3 Volume Control Scroll Wheel to control Volume Up/Down;

Press to control Mute/Unmute. 4 Microphone Swing Arm Microphone ON Microphone Muted 6 Microphone GreenMicrophone ON / RedMicrophone Muted Swing Arm LED Flashing GreenLaunch Meeting Application 7 Mode Switch Press Once - Gaming/Communication/Music/

Button 3D Recording Mode Cycling Switch

(NoteInitial is Gaming Mode, will keep previous mode when re-plug-in.) Press Twice - Normal/Transparent/Clairaudience 8 Logo LED Red: Gaming Mode / Green: Communication Mode /

Blue: Music Mode / Cyan: 3D Recording Mode 9 AI Gesture-

Controlled Area Pat Twice Sound Effect Mode Gaming/Communication/Music/

3D Recording Model Cycling Switch Wave Twice Transparent Mode Switch Normal/Transparent

/Clairaudience Mode Cycling Switch Pitch Twice Launch Meeting Application 05 EN Product Specification Product Name Kuro X-Ear 1 AI Gesture-Controlled Interface Ear Cup Type Driver Unit Impedance Headset Replaceable USB-C Cable Closed-Back 40mm 32 Frequency Response 20Hz ~ 20KHz Driver Sensitivities 1123dB Support Devices PC/Smartphones/Tablets Microphone MEMS (Main*1 / Side Built-in*2) Microphone Sensitivities

-35dBFS Input DC5V/0.5A Sound Effect Mode Music / Communication / Music / 3D Recording, 4 Modes Transparent Mode Normal / Transparent / Clairaudience, 3 Modes Others AI Gesture-Controlled / 7.1 Surround /

Swing Arm to control Microphone On/Muted / LED Effects User Manual Download 06 EN Product Warranty Card Thank you for purchasing Kuro product. We hope you can share the joy of Kuro's product with your friends and family! Please keep this warranty card and the sales stamp proof of the retailer. You need to use and provide this proof when you apply for warranty repair. It will not be reissued if it's lost or damaged. Note: If you need to return or exchange goods within the cooling-off period, please be sure to keep the completeness and cleanliness of all accessories and packaging materials of the product. Thank you for your cooperation!

Product Name: Kuro X-Ear 1 AI Gesture-Controlled Headset Model: X-Ear 1 Product Serial Number (Marked on the Box):

Purchase Date:

Dealer/Retailer Stamp De ale r/ Retail er S ta mp 07 EN Warranty/Maintenance Service Terms 1 Product Registration Warranty:

Please confirm that the product accessories and functions are normal as soon as possible after purchase. If it does not match with the contents (model, serial number) in the warranty card or actual product, our company has the right to refuse free warranty repair or to charge for repair. 2 Warranty Period:

In principle, it is calculated from the sales date or delivery date of the goods. The free warranty period is One Year under normal use.

(The sales date stamped by the retailer, the receipt, or the channel shipment delivery date shall be used as the starting date. If you cannot provide relevant proof materials as mentioned above, then actual production date of the product shall be used as the warranty starting date.) 3 Free Warranty Scope:

If the main units of this product under normal use conditions within one year free warranty period have natural function failure and hence couldn't be used, our company will provide free repair or replacement service, but please note that following situations are not included within the free warranty scope:

Non-functional failures such as product appearance, staining, sound performance, or failure to meet expectations. Damage to product accessories such as cables, consumables, or software. Due to human factors, improper use and placement, self-disas-

sembly and repair, use of non-original accessories or power supplies, incompatibility of electrical characteristics, etc., resulting in non-natural failures of the product itself. Failure and damage caused by force majeure disasters or external factors such as fire, natural disasters, humidity, pests, rats, pets, etc.. 08 EN 4 Maintenance Service:

If you have problems with the use of the product, it is recommend-

ed that you refer to the user manual for instructions and troubleshooting first. If you still cannot solve the problem, please contact the retailer where you purchased it, or email, or call our maintenance customer service for consultation. Please understand and pay attention to the following matters before sending the product to our company for maintenance:

Before sending for repair, please contact our companys maintenance customer service first to send the product, or send it to the companys designated repair receiving location. If there is any cost or risk incurred by the product shipping back and forth, it shall be borne by you. Please try to maintain integrity and proper packaging protection of all accessories when sending products for repair, to ensure safety during transportation. The maintenance service period is two years from the warranty start date. Depending on the condition and cause of the damage, and according to the company's service charge regulations, it may be necessary to charge for inspection, replacement of materials, repair, and delivery. The company does not guarantee that all kinds of damage can be repaired. 09 EN Our company reserves the right to modify and update the above warranty and maintenance service terms without prior notice. Please check the official website or contact our company customer service staff. Warranty Date: _____ year from purchase date 1 Product Name: Kuro X-Ear 1 AI Gesture-Controlled Headset Model: X-Ear 1 SD Media International Co., Ltd. Service Email: services@kuro.com.tw Service Phone: +886-2-2773-1000 No. 7, Ln. 492, Sec. 5, Zhongxiao East Rd., Xinyi Dist., Taipei City 140043, Taiwan (R.O.C.) Designed in Taiwan, Made in China www.kuro.com.tw 10 EN

C-MEDIA ELECTRONICS INC. FCC ID: 2A9BM-K60168-M C-MEDIA ELECTRONICS INC. 60GHz mmwavve radar Model: K60168-M FCC ID: 2A9BM-K60168-M

/"G',,Cmedla U.S. Agent Designation for Service of Process ATTENTION: Federal Communications and Evaluation Mills Road MD 21046 USA Authorization 7435 Oakland Columbia, Commission Division REGARDING:

FCC Certification

-Section 2.911{d)(7}

Information Inc. U.S. Agent Name: Approve-IT, Name: Nathan Grinager Designated Company Contact 8011 34th Ave South, Street Address:

City/Province/Zip:

Telephone No: 651-247-1678 Email:

FRN #: 0027533835 Suite 342 MN 55425 Bloomington, team@approve-it.net This letter is to confirm Agent for Service of Process that we ("the Designated U.S. Agent}

have accepted the responsibility to act as the Designated U.S. as required by section 47 CFR 2.911(d}(7}

on behalf of the Applicant noted below. U.S. Agent Signature:

Date: August 16, 2023 by (Printed Name/Title):

Signed

*This letter is valid indefinitely Nathan Grinager

/ Co-President submitted within for all applications the period of 8/16/2023 - 8/15/2024. confirms its explicit all marketing The Applicant after terminating equipment. information The applicant above changes. consent and acknowledges and importation OR the conclusio that they must maintain n of any Commission-related an agent for no less than one year proceeding involving Agent the the Designated U.S. to inform the FCC whenever further acknowledges their responsibility INC. ELECTRONICS Applicant Company name: C-MEDIA Grantee FRN: 0033075730 Grantee Code: 2A9BM Contact Name: BK Liu 6F., 100, Sec. 4, Civil Street Address:

City/Province/Zip:

City, Taiwan Telephone Email: bk.liu@cmedia.com.tw Taipei No: 886 2 87731100 Blvd., Daan Dist. Applicant Signature: \SK Date: August 16, 2023 Signed by (Printed Name/Title}:

BK Liu / Product Manager

/'f!f'...,cme<lfa

(-MEDIA ELECTRONICS INC Communications Federal Commission Authorization and Evaluation 7435 Oakland Columbia, MD 21046 USA Mills Road Division Date: August 16, 2023 Ref: Attestation Statements FCC ID: 2A9BM-K60168-M Part 2.9ll(d)(S)(i) Filing C-MEDIA equipment ELECTRON/CS INC. certifies that the equipment for which authorization is sought is not "covered"

prohibited from receiving an equipment pursuant authorization to section 2.903 of the FCC rules. Sincerely, BK Liu/ Product C-MEDIA ELECTRONICS INC. Manager Rev 1/26/2023

IG'\Cmedia Commission Federal Communications Authorization 7435 Oakland Columbia, USA and Evaluation Division Mills Road MD 21046 Date: August 16, 2023 Ref: Attestation Statements FCC ID: 2A9BM-K60168-M Part 2.911(d)(S)(

ii) Filing C-MEDIA applicant subsidiaries ELECTRONICS is not identified on the Covered or affiliates) as an entity producing List (as a specifica equipment.

"covered"

INC. certifies that, as of the date of the filing of the application, the lly named entity or any of its Sincerely, r') \Slc. BK Liu/ Product C-MEDIA Manager ELECTRONICS INC.

Cmedia Q-MEDIA ELECTRONICS I . Date: August 11, 2023 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD Confidentiality Request regarding application for certification of FCC ID:

2A9BM-K60168-M Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, the Applicant Hereby requests confidential treatment of information accompanying this Application As outlined below:

Type of Confidentiality Requested Exhibit Permanent Block Diagrams xX] Permanent Operation Description/Theory of Operation Permanent Schematics The above materials contain trade secrets and proprietary information not customarily Released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. Sincerely, Name: BK Liu Function: Product Manager Signature: Ik ke

Cmedia Declaration of Authorization We Name:

Address:

City:

Country:

C-MEDIA ELECTRONICS INC. 6F., No. 100, Sec. 4, Civic Blvd., City Taipei Taiwan Daan Dist., Declare that:

of agent: Stanley Wu name:

Name Representative Agent Company Address:

City:

Country:

and Certification DEKRA Testing No. 26, Huaya 1st Rd., Guishan Taoyuan Taiwan. City 33341 Co., Ltd. Dist., is authorized to apply for FCC certifications of the following product(s):

Name: 60GHz mmwave radar Product Model: K60168-M FCC ID: 2A9BM-K60168-M C-Media Trademark:

on our behalf. Date:

August 11, 2023 Name:

BK Liu Function: Product Manager Signature:

Modular Approval Request FCC (KDB 996369 D01 & Part 15.212) FCC ID: 2A9BM-K60168-M Items to be covered by Single modular transmitters. 1. The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly. Answer from applicant No. No shielding case. 2. The module must have buffered modulation/data inputs to ensure that the device YES will comply with Part 15 requirements with any type of input signal. 3. The module must contain power supply regulation on the module YES 4. The module must contain a permanently attached antenna, or contain a YES unique antenna connector, and be marketed and operated only with specific antenna(s), per 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). 5. The module must demonstrate compliance in a stand-alone configuration. 6. The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). No. The module will be installed only on the one host devices:

Product: Kuro TM X-Ear 1 AI Gesture-Controlld Headset Model name: X-Ear 1 Brand: C-Media YES 7. The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. 8. The module must comply with RF exposure requirements. YES YES Items to be covered by Split modular transmitters. 1. The modular transmitter must comply with all requirements of a single modular transmitter except for items (1) & (5) of the above single modular approval requirements. 2. Only the radio front end must be shielded. The physical crystal and tuning capacitors may be located external to the shielded radio elements. The interface between the split sections of the modular system must be digital with a minimum signalling amplitude of 150 mV peak-to-peak. Answer from applicant N/A N/A 3. Control information and other data may be exchanged between the transmitter N/A control elements and radio front end. 4. The sections of a split modular transmitter must be tested installed in a host device(s) similar to that which is representative of the platform(s) intended for use. 5. Manufacturers must ensure that only transmitter control elements and radio front end components that have been approved together are capable of operating together. The transmitter module must not operate unless it has verified that the installed transmitter control elements and radio front end have been authorized together. Manufacturers may use means including, but not limited to, coding in hardware and electronic signatures in software to meet these requirements, and must describe the methods in their application for equipment authorization. N/A N/A Note: A limited modular approval (LMA) may be granted for single or split modular transmitters that comply partially with the requirements above. Name and surname of applicant (or authorized representative): BK Liu Date: 21 August 2023 Signature:

C-MEGIA ELEC TRGORIC? tee. Date: August 11, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Declaration of composite/rated equipment for FCC ID: 2A9BM-K60168-M We, the undersigned, would like to declare that the composite portion categorized as Class B personal computers and peripherals has been authorized under the Supplier's Declaration of Conformity (SDoC) procedures. Sincerely, BK Liu / Product Manager C-MEDIA ELECTRONICS INC.