FCC ID: 2BCJE-RD36 Wireless Headphones

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, 08 Made in China FCC FCC 15.

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: . FCC . 1 2 3 4 BINAURAL KEYS ARE SHARED Step 1: delete the connection information on your phone, and then turn o your Bluetooth. Step 2: put the headset back into the charging bin and wait 30 seconds step 3: take out the headset and put it on your ear Step 4: double-click on one of the headphones and wait for about 3 seconds. Both headphones will sound at the same time step 5: turn on your phone's Bluetooth connection. PS: When you have a pair of ears, only one of the headphones ashes again. If both headphones ash, you have a pair of unpaired ears SMART DIGITAL DISPLAY INSTRUCTIONS FOR Left headset power display Right headset power display The 4-bar running horse headphone symbol is always bright when charging The 4-bar running horse headphone symbol is always bright when charging The volume -

In music state Right ear(R) Long press for 0.5 seconds

(Be careful not to shut down) The volume +

In music left ear state(L) Long press for 0.5 seconds

(Be careful not to shut down) Play/pause music In music state Any (L/R) Double click on the function key Play the next song In music left ear state(L) Three click function key Play the previous song In music state Right ear(R) Three click function key Answer/hang up the phone In call status Any (L/R) Double click on the function key Refers to the charging of a single-digit ash and discharge shows the amount of electricity Voice assistant Connected Any (L/R) Four click function keys Refuse to answer the phone Under incoming call status Any (L/R) Long press for 1.5 seconds PAIRING NAME RD/RD36;

Wireless headset Now can be found as My device RD RD36 Not connected The connected The connected Set up the A wireless connection Wireless headset Now can be found as My device RD RD36 Not connected The connected The connected RD36 WIRELESS SMART HEADSET INSTRUCTION MANUAL When using this product, please read the instruction carefully and keep it for reference MODE OF OPERATION 1. THE BOOT

(1) Open the cover of the charging box, take out the headphones immediately automatic boot, voice promptBoot, green light for 1 second.

(2) Headset o state, press the function key about 3 seconds, voice promptBoot, green light for 1 second. 2. TO TURN IT OFF

(1)Put the headphone back into the charging box and close the cover. Sound the wordTurn o and the white light will light up for 1 second.

(2)In the case of headset boot, long press function key about 6 seconds, voice promptO, white light on for 1 second. 3.RESTORE FACTORY SETTINGS Headphones are not connected to the phone case, ve-click one of the earphone function key, sound 'o' white light for 1 second. 4.SWITCHING BETWEEN CHINESE AND ENGLISH When the earphones are not connected to the phone, you can switch between Chinese and English freely by three clicks on the power button of one of the earphones. PRODUCT INTRODUCTION 1. Charging box *1 3. Data line *1 2. Left and right earphones *1 4. Product Specications *1 CONFIGURATION PARAMETER Standby time: 240 hours Talk time: about 48 hours Charging time: about 1-2h Chip version: 5.3 Product warranty card This card is the product warranty certicate, please keep it properly Undesirable phenomenon certicate inspector08 Made in China FCC WARNING This device complies with part 15 of the FCC Rules. Operation is subject to the following twoconditions:

(1)This device may not cause harmful interference;

(2) this device mustaccept any interference received, including interference that may cause undesired operation;

Note: This equipment has been tested and found to comply with the limits for a Class B digitaldevice, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipmentgenerates, 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. Ifthis equipment does cause harmful interference to radio or television reception, which can bedetermined by turning the equipment o and on, the user is encouraged to try to correct theinterference 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 dierent from that to which the receiver isconnected. Consult the dealer or an experienced radio/TV technician for help. Note: The Grantee is not responsible for any changes or modications not expressly approved by the party responsible for compliance. such modications could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. This equipment complies with FCC's RF radiation exposure limits set forth for an uncontrolled environment. This device and its antenna(s) must not be co-located or conjunction with any other antenna or transmitter. 1 2 3 4

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6747972.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case 2.4GHz 1608 Chip Antenna:

RANT1608F245C01/1608F245C04/1608F245C05 Application:

WLAN, 802.11b/g, Bluetooth, WLAN, etc Features SMD, high reliability, ultra Impact, Omni-directional Part number Information RANT 1608

(B)

(A) F

(C) 245

(D) C

(E) 01/04

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(A)Product Type Chip Antenna

(B) Size Code

(C) Material 1.6x0.8mm(0.1mm) High K material

(D) Frequency 2.4 ~ 2.5GHz

(E) Feeding mode PIFA & Single Feeding

(F) Antenna type Type=01/04/05 Electrical Specification Working Frequency Range 2400 ~2500 MHz Bandwidth Peak Gain Impedance Return loss Polarization Azimuth Beamwidth Operation Temperature() Resistance to Soldering Heats Termination 120 MHz

(Min.) 2.7 dBi (Typ.) 50 Ohm 10 dB ( Min) Linear Omni-directional

-40 ~85 10sec. ( @ 280) Ni / Au (Leadless) Dimension and Terminal Configuration L Dimension (mm) 1.60 0.10 0.80 0.10 0.80 0.10 T W No. Terminal Name 1 2 Feeding/GNG GND/Feeding

: 13530576606 TEL: 13530576606 RAIN International Technology Co., Ltd. 709, Building F, Yuxing Science and Technology Industrial Park, Nanchang Third Industrial Zone, Nanchang Community, Xixiang Street, Bao'an District, Shenzhen 2.4GHz 1608 Chip Antenna:

RANT1608F245C01/1608F245C04/1608F245C05 Evaluation Board Reference Top layer:

1 Bottom layer:

2.4GHz 1608 Chip Antenna:

RANT1608F245C01/1608F245C04/1608F245C05 Layout Top layer:

Top layer:

2.4GHz 1608 Chip Antenna:

RANT1608F245C01/1608F245C04/1608F245C05 Electrical Characteristics Return Loss & Radiation ELECTRICAL CHARACTERISTICSS11 Radiation Pattern 2.4GHz 1608 Chip Antenna:

RANT1608F245C01/1608F245C04/1608F245C05 Electrical Characteristics 2.4GHz 1608 Chip Antenna:

RANT1608F245C01/1608F245C04/1608F245C05 Taping Specifications Reel Specification Reel and Taping Specification TYPE SIZE A B C D 1608 7 4K/Reel 4.00.5 4.02 13.50.5 1782 Tapping Specification Packaging Type A B W E F G H T D P Paper Type 1608 1.900.20 3.500.20 8.00.20 1.750.10 3.50.05 4.00.10 2.00.05 0.750.10 1.500.10 4.00.1 2.4GHz 1608 Chip Antenna:

RANT1608F245C01/1608F245C04/1608F245C05 Reliability Table Test Item Electrical Characterization Thermal Shock Temperature Cycling High Temperature Exposure Low Temperature Storage Procedure 1. Preconditioning:

50 10 / 1 hr , then keep for 24 1 hrs at room temp. 2. Initial measure: Spec: refer Initial spec. 3. Rapid change of temperature test:

-30 to +85; 100 cycles;

15 minutes at Lower category temperature;

15 minutes at Upper category temperature. 1. Initial measure: Spec: refer Initial spec. 2. 100 Cycles (-30 to +85), Soak Mode=1 (2 Cycle/hours). 3. Measurement at 24 2Hours after test condition. 1. Initial measure: Spec: refer Initial spec. 2. Unpowered; 500hours @ T=+85. 3. Measurement at 24 2 hours after test. 1. Initial measure: Spec: refer Initial spec. 2. Unpowered: 500hours @ T= -30. 3. Measurement at 24 2 hours after test. Solderability

(SMD Bottom Side) Dipping method:

a. Temperature: 235 5C b. Dipping time: 3 0.5s Soldering Heat Resistance

(RSH) Vibration Mechanical Shock Preheating temperature: 150 10C. Preheating time: 1~2 min. Solder temperature: 260 5C. Dipping time: 5 0.5s 5g's for 20 min., 12 cycles each of 3 orientations Note: Use 8"X5" PCB .031" thick 7 secure points on, one long side and 2 secure points at corners of opposite sides. Parts mounted within 2" from any secure point. Test from 10-2000 Hz. Three shocks in each direction shall be applied along the three mutually perpendicular axes of the test specimen (18 shocks) Peak value: 1,500gs Duration: 0.5ms Velocity change: 15.4 ft/s Waveform: Half-sine Requirements Ceramic Type Fulfill the electrical specification No Visible Damage. Fulfill the electrical specification. Remark

(Reference) User Spec. MIL-STD-202 107 No Visible Damage. Fulfill the electrical specification. No Visible Damage. Fulfill the electrical specification. No Visible Damage. Fulfill the electrical specification. The solder should cover over 95% of the critical area of bottom side. No Visible Damage. JESD22 JA104 MIL-STD-202 108 MIL-STD-202 108 IEC 60384-21/22 4.10 IEC 60384-21/22 4.10 No Visible Damage. MIL-STD-202 Method 204 No Visible Damage. MIL-STD-202 Method 213 Humidity Bias 1. Humidity: 85% R.H., Temperature: 85 2 C. 2. Time: 500 24 hours. 3. Measurement at 24 2hrs after test condition. No Visible Damage. Fulfill the electrical specification. MIL-STD-202 Method 106 2.4GHz 3216 Chip Antenna:

RANT1608F245C01/RANT1608F245C04/1608F245C05 1. Mounting method:

No Visible Damage. Board Flex

(SMD) IR-Reflow. PCB Size (L:100 W:40 T:1.6mm) 2. Apply the load in direction of the arrow until bending reaches 2 mm. _ AEC-Q200 005 Adhesion Force of 1.8Kg for 60 seconds. AEC-Q200 006 No Visible Damage Magnification of 20X or greater may be employed for inspection of the mechanical integrity of the device body terminals and body/terminal junction. Physical Dimension Any applicable method using x10 magnification, micrometers, calipers, gauges, contour projectors, or other measuring equipment, capable of determining the actual specimen dimensions. In accordance with specification. JESD22 JB100 Revision History Revision Date Content 1 2 2019/03/01 New Datasheet 2020/02/22 Add 2D radiation characteristic

Shenzhen Xinke Meida Communication Co., Ltd. DateAug. 17, 2023 Product Model Number: RD36, RD23, RD528, RD538, RD31, RD20, RD13, RD40, RD41, RD03, MD FCC ID2BCJE-RD36 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:

Testing Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By:

Contact Listed on FCC Wesbite Title: Manager Email: 2206989973@qq.com Telephone: +86 15900125646 On behalf of: Shenzhen Xinke Meida Communication Co., Ltd.

Shenzhen Xinke Meida Communication Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2BCJE-RD36 To Whom It May Concern, Date: 2023.08.17 Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Jian chu Shen Title: Manager

Shenzhen Xinke Meida Communication Co., Ltd. RD36_Model Difference Product description: Wireless Headphones Model name: RD36, RD23, RD528, RD538, RD31, RD20, RD13, RD40, RD41, RD03, MD FCC ID: 2BCJE-RD36 All the model are of the same circuit and RF module, and the only difference is the model name. The model RD36 is the tested sample. Regards Sincerely Clients signature:

Clients name / title : Jian chu Shen / Manager Contact information / address: Shenzhen Xinke Meida Communication Co., Ltd. Building 201, No.12, Zhangbei Meiying Lane, Zhangbei community, Longcheng Street, Longgang District, Shenzhen City

Shenzhen Xinke Meida Communication Co., Ltd. AddressBuilding 201, No.12, Zhangbei Meiying Lane, Zhangbei community, Longcheng Street, Longgang District, Shenzhen City Date: 2023.08.17 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing SUBJECT: FCC Application for FCC ID: 2BCJE-RD36 Shenzhen Xinke Meida Communication Co., Ltd. certifies that, as of the date of the filing of the application, GSS SERVICE INC is our designated U.S. agent for service of process for the above referenced FCC ID. Shenzhen Xinke Meida Communication Co., Ltd. accepts to maintain an agent 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. GSS SERVICE INC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information:

Name: GSS SERVICE INC Address: 6547 N Academy Blvd #2266 Colorado Springs COLORADO 80918 United States FRN 0033402082 Contact Person: Michoux Logan Tel.: 001-949-2990192 Email: michouxlogan@outlook.com Sincerely, Signed on behalf of Shenzhen Xinke Meida Communication Co., Ltd. Signed on behalf of GSS SERVICE INC Name: Jian chu Shen Name: Michoux Logan Title: Manager Title: Manager Date: 2023.08.17 Date: 2023.08.17

Shenzhen Xinke Meida Communication Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Aug 17, 2023 FCC ID: 2BCJE-RD36 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Shenzhen Xinke Meida Communication Co., Ltd. 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. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Shenzhen Xinke Meida Communication Co., Ltd. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Applicant: Shenzhen Xinke Meida Communication Co., Ltd. Address: Building 201, No.12, Zhangbei Meiying Lane, Zhangbei community, Longcheng Street, Longgang District, Shenzhen City Contact Person: Jian chu Shen Tel.: +86 15900125646 Email: 2206989973@qq.com Sincerely, Signature: