FCC ID: 2ACCJB203 Keyboard

KB 40 Marking(V2.1c)_20230427 C D 5 7 8 PT W H IT E C

(FC C ID ) N O T E :

m m 8

. 2 1 KB40 Wireless Keyboard 61.34mm m m 4

. 8 5 16 mm Quick Start Guide CJB7520LCAAA CJB7520LCAAA Printed in China Catalog Specification 1 Connecting Keyboard to Tablet 1 Indicator Status 2 Keyboard Interface 2 Hot Keys 3 Battery Charging for Keyboard 3 Certification 4 Warranty 7 Specification Product Name Wireless Keyboard Bluetooth Dimension Weight Bluetooth 50 245*1265*39mm About 206g Battery Capacity 180 mAh Continuous use Time About 30 H Battery Type Li-Polymer Available Distance About 10m Operating Temperature 0 - 40 C Connecting Keyboard to Tablet The keyboard connects to the tablet via Bluetooth. Youll need to pair the keyboard with the tablet when you use it for the first time. 1. Make sure Tablet Bluetooth is on Swipe up the Home screen and touch Settings, find Bluetooth and turn on its switch, then touch Pair new device. 2. Turn on the Keyboard To turn on the keyboard, Move OFF/ON button to ON location and the power light turns blue. Then press the Connect button while the Bluetooth light blinks blue. The keyboard is now discoverable and can be paired with your tablet. EN-1 3. Pair Keyboard with Tablet i) In the tablets Bluetooth settings, select the KB9466X from the available device list and touch it to pair Note: To configure keyboard input language, go to Settings > System > Languages & input > Physical keyboard > KB9466X Keyboard > SET UP KEYBOARD LAYOUTS, then select the language you want. KB 40 Marking(V2.1c)_20230427 Indicator Status Name Light and Function m m 8

. 2 1 C D 5 7 8 PT W H IT E C

(FC C ID ) N O T E :

Power m m 4

. 8 5 61.34mm Power on: Move OFF/ON button to ON location, power light turns blue and remains lit for 2s. Power off: Move OFF/ON button to OFF location. 16 mm Caps Caps lock light on Blinking Blue for 1 minute, the keyboard can be discoverable and ready for pairing. Keyboard Interface EN-2 Hot Keys Keys Function Keys Function Exit/

Lock(Fn+Ecs) Mute Search Volume down Volume up Play previous Play/pause Brightness dark Switch keyboard Email Home Play next Brightness light Screenshot Delete Keys Operation Function Ctrl+Shift Switch input methods Alt+Tab Switch between active apps Ctrl+C Copy Ctrl+V Paste EN-3 Battery Charging for Keyboard If the power light is blinking, the Keyboard battery needs to be charged. 1 Plug one end of the supplied USB cable into the charging port of keyboard, and the other end into a USB port on your charger. 2 The Power light is solid as the battery is being charged 3 Charge the battery until the light turns off. Certification The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by TCL Communication Ltd. and its affiliates is under license. Other trademarks and trade names are those of their respective owners. KB9466X Bluetooth Declaration ID : D048574 Battery:

Observe the following precautions for battery use:

- Do not attempt to open the back cover and replace the inner rechargeable Li-polymer battery. Please contact the dealer to replace it

- Do not attempt to remove, replace, or open battery.

- Do not puncture the back cover of your device.

- Do not burn or dispose of your device in household garbage or store it at temperatures above 50C.

- Dispose of used batteries according to the instructions. Risk of explosion if battery replaced by an incorrect type. EN-4 This symbol on your device, the battery and the accessories means that these products must be taken to collection points at the end of their life:

- Municipal waste disposal centers with specific bins for these types of equipment.

- Collection bins at points of sale. They will then be recycled, preventing substances being disposed of in the environment, so that their components can be reused. In European Union countries:

These collection points are accessible free of charge. All products with this sign must be brought to these collection points. In non-European Union jurisdictions:

Equipment with this symbol are not to be thrown into ordinary bins if your jurisdiction or your region has suitable recycling and collection facilities; instead they are to be taken to collection points for them to be recycled. FCC Regulations:

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. This device 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 EN-5 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.

- 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. Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. RF Exposure Information This device meets the governments requirements for exposure to radio waves. This device is designed and manufactured not to exceed the emission limits for exposure to radio frequency (RF) energy set by the Federal Communications Commission of the U.S. Government. This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. FCC ID2ACCJB203 EU Regulatory Conformance Hereby, TCL Communication Ltd. declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/

EU. EN-6 General information Hotline: See the SERVICES leaflet or go to our website. Manufacturer: TCL Communication Ltd.

Address: 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong. This equipment operates with the following maximum power:

Bluetooth: < 1 dBm Warranty Your product is warranted against any defect or malfunctioning which may occur in conditions of normal use during the warranty period of two years(1) from the date of purchase as shown on your original invoice In case of any defect of your product which prevents you from normal use thereof, you must immediately inform your vendor and present your product with your proof of purchase. If the defect is confirmed, your product or part thereof will be either replaced or repaired, as appropriate. Repaired product and accessories are entitled to a one (1) month warranty for the same defect. Repair or replacement may be carried out using reconditioned components offering equivalent functionality. This warranty covers the cost of parts and labor but excludes any other costs. This warranty shall not apply to defects to your product and/or accessory due to (without any limitation):

(1) The warranty period may vary depending on your country. EN-7 1) Non-compliance with the instructions for use or installation, or with technical and safety standards applicable in the geographical area where your product is used, 2) Connection to any equipment not supplied or not recommended by TCL Communication Ltd., 3) Modification or repair performed by individuals not authorized by TCL Communication Ltd. or its affiliates or your vendor, 4) Modification, adjustment or alteration of software or hardware performed by individuals not authorized by TCL Communication Ltd., 5) Inclement weather, lightning, fire, humidity, infiltration of liquids or foods, chemical products, download of files, crash, high voltage, corrosion, oxidation Your product will not be repaired in case labels or serial numbers have been removed or altered. There are no express warranties, whether written, oral or implied, other than this printed limited warranty or the mandatory warranty provided by your country or jurisdiction. In no event shall TCL Communication Ltd. or any of its affiliates be liable for indirect, incidental or consequential damages of any nature whatsoever, including but not limited commercial or financial loss or damage, loss of data or loss of image to the full extent those damages can be disclaimed by law. Some countries/states do not allow the exclusion or limitation of indirect, incidental or consequential damages, or limitation of the duration of implied warranties, so the preceding limitations or exclusions may not apply to you. EN-8

KB 40 Marking(V2.1c)_20230427 CD 5 78 PT WHITE C

(FCC ID ) NOTE:

m m 8

. 2 1 m m 4

. 8 5 61.34mm 16 mm

TCB Authority to Act as Agent Number:

Revision:

Effective date: Oct 8, 2021 MS-0045317 0 Authority to Act as Agent Date: 24 Mai 2023 TUV Rheinland of North America, Inc. 1279 Quarry Lane., Suite. A Pleasanton, CA 94566 To Whom It May Concern:

I appoint TUV Rheinland (Shenzhen) Co., Ltd. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the FCC or Industry Canadas regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by TUV Rheinland Group, still resides with TCL Communication Ltd.

/ 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong For TCB applications, We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you, Agency Agreement Date:

12 Months Agreement is valid for 12 months from the above date. By:

(Signature) Annie Jiang

(Print name) Product Certificate Manager Tel:+86 0755 36611621

(Title)

(Telephone) On behalf of:

TCL Communication Ltd.

(Company Name) Page 1 of 1

Shenzhen Jingda Electronic Technology Co., Ltd Address: 519M, Mintai Building, No. 241 Minzhi Avenue, Minzhi Street, Longhua District, Shenzhen 2.4G-2.48G frequency band on-board PIFA antenna test report SPECIFICATIONS FrequencyMHz Peak GaindBi Average GaindBi VSWR Impedance Antenna Type Polarization 2400-2480 3.129

-3 3.3 50 Plannar Inverted F Antenna on board Linear Testing environment: Zhongke Guoji darkroom testing system Z X Y 1 Antenna physical object Antenna physical size

2 Passive S parameters of antenna:

VSWR Return Loss And Smith circle diagram. Antenna efficiency and gain FrequencyMHz GaindBi Effciency% AverageGaindBi EfficiencydB 2400 2410 2420 2430 2440 2450 2460 2470 2480 Average Peak 3.129 2.490 2.625 2.363 2.019 2.338 2.750 2.395 3.030 2.571 3.129 75.167%

65.407%

64.758%

59.870%

56.522%

57.708%

62.465%

57.499%

63.308%

62.523%

75.167%

3

-1.462

-2.287

-2.202

-2.590

-2.976

-2.751

-2.504

-2.796

-2.339

-2.434

-1.462

-1.240

-1.844

-1.887

-2.228

-2.478

-2.388

-2.044

-2.403

-1.985

-2.055

-1.240 Antenna 2440MHz 2D-Theta Pattern Antenna 2440MHz 2D-Phi Pattern 4 Antenna 2440MHz 3D-Horizontal Pattern Antenna 2440MHz 3D-Vertical Pattern 2440MHz 3D-Total Pattern 5

TCL Communication Ltd. Attestation Statements Not Covered Entity Applicant To: Federal Communications Commission Date: 05-23-2023 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(ii) filing FCC ID: 2ACCJB203

[TCL Communication Ltd.] (the applicant) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing covered equipment. Sincerely yours, Applicant Signature Printed Name: Annie Jiang Title:Product Certificate Manager Address: 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong Tel.: +86 0755 36611621 Email: nianxiang.jiang@tcl.com

TCL Communication Ltd. Attestation Statements Not Covered Equipment To: Federal Communications Commission Date: 05-23-2023 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) filing FCC ID: 2ACCJB203

[TCL Communication Ltd.] (the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely yours, Applicant Signature Printed Name: Annie Jiang Title: Product Certificate Manager Address: 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong Tel.: +86 0755 36611621 Email: nianxiang.jiang@tcl.com

TCL Communication Ltd. Certification Designating a US Agent for Service of Process To:

Federal Communications Commission Date: 05-24-2023 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Attestation Statement Part 2.911(d)(7) filing FCC ID: 2ACCJB203 TCL Communication Ltd. (the applicant) certifies that as of the date of the filing of the application, TCT Mobile (US) Inc. (the agent) is our designated U.S. agent. We acknowledge the applicants consent and the designated agent for service of processs obligation to accept service of process. The applicant accepts to maintain an agent for service of process for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-

related proceeding involving the equipment. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. APPLICANT Company Name: TCL Communication Ltd. Contact Person: Annie Jiang Address: 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong Tel.: +86 0755 36611621 Email: nianxiang.jiang@tcl.com FCC FRN: 0023603830 U.S. Agent Company Name: TCT Mobile (US) Inc. Contact Person: Yao Dai Address: 189 Technology Drive, Irvine, CA 92618 Tel.: 1-855-368-0829 Email: yao.dai@tcl.com FCC FRN: 0033429465 Sincerely yours, Company Name Contact Person Signature The Applicant TCL Communication Ltd. Annie Jiang The Agent TCT Mobile (US) Inc. Yao Dai DocuSign Envelope ID: C6E79BE7-BD20-494A-A69E-FC56E3DBE9EB

Standard Form Request for Confidentiality Letter TCL Communication Ltd. Date: 24 May 2023 Subject: Confidentiality Request for FCC ID: 2ACCJB203 Pursuant to FCC 47 CRF 0.457(d) and 0.459 the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term Permanent Permanent Permanent Permanent Permanent Permanent n/a n/a Exhibit Block Diagrams Internal Photos Operation Description/Theory of Operation Antenna datasheet Schematics Users Manual Test Setup External Photos TCL Communication Ltd. has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality:

The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality:

The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 ___ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, By:

_________________________________ Annie Jiang

(Signature/Title)

(Print name) MS-0044715 Page 1 of 1 Revision 0