2A6KU-BOYI-GMK67BOYI GMK67-65 Keyboard Kit

Combination Function FN+ESC ~ FN+1 F1 FN+2 F2 FN+3 F3 FN+4 F4 FN+5 F5 FN+6 F6 FN+7 F7 FN+8 F8 FN+9 F9 FN+0 F10 FN+- F11 FN+= F12 FN+U PRT SCR FN+I Scrlk FN+P Switch to different light color FN+[ Decrease Brightness FN+] Increase Brightness FN+\ Switch to different light mode FN+A Pause/Play FN+S Previous song FN+D Next song FN+F Mute FN+G Volume up FN+H Volume down FN+J INS FN+K HOME FN+; Decrease LED speed FN+' Increase LED speed FN+Pause 2.4G wireless mode connection FN+Pg Up Turn on/off all backlit FN+Pg dn Switch to custom backlit mode FN+Z Bluetooth device 1 FN+X Bluetooth device 2 FN+C Bluetooth device 3 FN+, END FN+Win Lock the WIN Ctrl+Alt+Q Reset to factory defaults Product Name: BOYI GMK67-65 Keyboard Kit How to use this Keyboard： 1.1.1 Power Indicator Light: Lithium battery(3.7V):If the battery voltage is lower than 3.3V,the red indicator light of the keyboard will flash.The red indicator light is on when charging and off when fully charged. 1.1.2 2.4G wireless mode connection: After the keyboard is turned on,long press “FN+Pause” combination keys 3 seconds and the indicator light will flash quickly.If the indicator keeps on for 10 seconds after plugging in the receiver,keyboard is connected in this mode. 1.1.3 Bluetooth mode connection: Long press “FN+Z/X/C” combination keys 3 seconds,the indicator will flash quickly.If the indicator keeps on for 10 seconds after connecting your device,the keyboard is connected in this mode.If the keyboard isn’t connected,the indicator goes out and the keyboard will go into the sleep mode. 1.1.5 Backlit modes: Press “FN+\” combination keys to switch the keyboard backlit modes. Backlit mode order:light wave(default),normal,breath,ripple,light rain,serpentine,follow,polymerization,neon,laser,sine wave,RGB wave,aurora wave,light flowers,colorful spring surging. The function of “FN+PgUp” combination keys is turn on/off all backlit.And press “FN+Pg dn” combination keys to switch to the custom backlit mode.The default backlit mode is inverted triangle lighting effect.Adjusting the custom backlit needs to use the keyboard drive. The normal backlit mode can’t adjust the light speed,neon and RGB wave backlit mode can’t adjust the light color.Other backlit modes can adjust different light speed,brightness and color.There are 7 levels of the brightness and its default is maximum brightness.There are 5 levels of the speed and its default is the third level.Color order:multicolor,ice blue,red,green,blue,orange,purple,yellow. 1.1.6 Keyboard display name: Product Model: BOYI GMK67 2.4G mode:2.4G Wireless Device BT3.0 mode:BT3.0 KB BT5.0 mode:BT5.0 KB 1.1.7 Operating distance: >10m 360° (under external environment interference) 1.1.8 Bluetooth connection back time:≤5s 1.1.9 Compatibility: Bluetooth:Compatible with all Bluetooth Dongle on the market,notebook built-in Bluetooth module.Bluetooth 5.0 mode needs to support Windows 8 or above,tablets and mobile phones,etc. 2.4G:According to USB standard protocol,compatible with Windows2000 and MAC. 1.1.10 Electrical parameters (for reference only) Charging current 540-580mA Wired normal mode current 110.2mA 2.4G normal mode current 200.0mA 2.4G sleep mode current 0.14mA Bluetooth 3.0 normal mode current 183.5mA Bluetooth 3.0 sleep mode current 0.14mA Bluetooth 5.0 normal mode current 182.6mA Bluetooth 5.0 sleep mode current 0.14mA No backlit current 39.8mA 1.1.11 NKRO:all the connection mode and connected devices support anti-ghosting. 1.1.12 Working voltage:3.7V 1.1.13 Connection mode:wired,2.4G,Bluetooth 3.0,Bluetooth 5.0 1.1.14 RF power:30dbm 1.1.15 Working frequency:2405/2440/2475 1.1.16 System requirements Port USB Compatible system Windows2000 or above,MAC,BLE support Windows 8 or above 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. Warning: 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. 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. RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

- Xiang Tan Taide Trading Co., Ltd. - The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 9/21/2023 U.S. Agent Designation [Xiang Tan Taide Trading Co., Ltd.] acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: [2A6KU-BOYI-GMK67]): Name and company of U.S. agent: Stone Trading Limited Physical U.S. address of agent: 6547 N Academy Blvd #2266,Colorado Springs,CO 80918,United States FRN of U.S. agent: 0033401936 Email address of U.S. agent: [email protected] [Stone Trading Limited] acknowledges their obligation to accept service of process on behalf of [Xiang Tan Taide Trading Co., Ltd.]. [Xiang Tan Taide Trading Co., Ltd.] with the FRN [0032295412] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanentl y terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm th e above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature [Name] David Yang [Title] sales [Company] Xiang Tan Taide Trading Co., Ltd. Signature [Name of U.S. agent] Dongmei Fang [Title of U.S. agent] Manager [Company of U.S. agent] Stone Trading Limited 48_[mo del] US_Agent_2.911(d)(7) - U, V04

Xiang Tan Taide Trading Co., Ltd. The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 9/21/2023 To whom it may concern: We, [Xiang Tan Taide Trading Co., Ltd.], hereby certify that the equipment for which authorization is sought (FCC ID: [2A6KU-BOYI-GMK67]) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the fi lin g of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist ) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). Sincerely, Signature [Name] David Yang [Title] sales [Company] Xiang Tan Taide Trading Co., Ltd. 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V02

FCC ID: 2A6KU-BOYI-GMK67 Page 1 of 4 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. External Photos Photo 1 Photo 2 FCC ID: 2A6KU-BOYI-GMK67 Page 2 of 4 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 FCC ID: 2A6KU-BOYI-GMK67 Page 3 of 4 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 FCC ID: 2A6KU-BOYI-GMK67 Page 4 of 4 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 7 ------End------

Label Location On EUT Label Product Name: BOYI GMK67-65 Keyboard Kit Model Number: BOYI GMK67 Trademark: BOYI FCC ID: 2A6KU-BOYI-GMK67 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.

FCC ID: 2A6KU-BOYI-GMK67 Page 1 of 2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Internal Photos Photo 1 Photo 2 PCB Antenna FCC ID: 2A6KU-BOYI-GMK67 Page 2 of 2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 ------End------

RF EXPOSURE EVALUATION FCC ID: 2A6KU-BOYI-GMK67 According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b): Routine SAR eva luation refers to that specifically required by §2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters with output power greater than the applicable low threshold require SAR evaluation to qualify for TCB approval. BT: Channel (MHz) Maximum output power (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) Distance (mm) Calculation results Limit Operating Mode 2402 3.02 3.02±1 4.02 5 0.782 3 BDR&EDR 2441 3.02 3.02±1 4.02 5 0.789 3 2480 2.86 2.86±1 3.86 5 0.766 3 2402 5.22 5.22±1 6.22 5 1.298 3 2441 5.31 5.31±1 6.31 5 1.336 3 2480 4.95 4.95±1 5.95 5 1.240 3 2.4G SRD Channel (MHz) Field strength(max) (dBuV/m) EIRP (Max) (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) 2440 95.59 0.332 0.332±1 1.332 Note: EIRP=E-104.8+20logD, D=3 E=EIRP-20log D +104.8 where: E=electric field strength in dBuV/m EIRP=equivalent isotropic radiated power in dBm D=specified measurement distance in meters. EIRP=E-104.8+20logD, D=3 Operating Mode Channel (MHz) Max Tune Up Power (dBm) Max Tune Up Power (mW) Distance (mm) Calculation results Limit SRD 2440 1.332 1.359 5 0.424 3 Test Results: PASS.

Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 1 of 34 Appendix A RF Test Data for BT(BDR/EDR) (Conducted Measurement) Product Name: Dual 6.5 inches Wireless Speaker with Lights Trade Mark: BOYI Test Model: BOYI GMK67 Environmental Conditions Temperature: 25.2°C Relative Humidity: 51.2% ATM Pressure: 101Kpa Te s t Engineer: Simba Huang Supervised by: Seal Chen Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 2 of 34 Contents Page COVER PAGE 1 Maximum Conducted Peak Output Power .......................................................................................................................................... 3 1.1 Test Result ............................................................................................................................................................................... 3 1.2 Test Graphs ............................................................................................................................................................................. 4 3 20dB Bandwidth .................................................................................................................................................................................. 7 3.1 Test Result ............................................................................................................................................................................... 7 3.2 Test Graphs ............................................................................................................................................................................. 8 4 Carrier Frequency Separation ........................................................................................................................................................... 11 4.1 Test Result ............................................................................................................................................................................. 11 4.2 Test Graphs ........................................................................................................................................................................... 12 5 Hopping Channel Number ................................................................................................................................................................. 13 5.1 Test Result ............................................................................................................................................................................. 13 5.2 Test Graphs ........................................................................................................................................................................... 14 6 Dwell Time ......................................................................................................................................................................................... 15 6.1 Test Result ............................................................................................................................................................................. 15 6.2 Test Graphs ........................................................................................................................................................................... 16 7 Conducted Spurious Emissions and Band Edges Test ..................................................................................................................... 22 7.1 Test Result ............................................................................................................................................................................. 22 7.2 Test Graphs ........................................................................................................................................................................... 23 8 Band-edge for RF Conducted Emissions .......................................................................................................................................... 33 8.1 Test Result ............................................................................................................................................................................. 33 Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 3 of 34 1 Maximum Conducted Peak Output Power 1.1 Test Result Mode Channel. Maximum Peak Output Power [dBm] Limit [dBm] Verdict GFSK LCH 3.02 21 Pass MCH 3.02 21 Pass HCH 2.86 21 Pass π/4-DQPSK LCH 5.22 21 Pass MCH 5.31 21 Pass HCH 4.95 21 Pass Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 4 of 34 1.2 Test Graphs GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 5 of 34 GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 6 of 34 π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 7 of 34 2 20dB Bandwidth 2.1 Test Result Mode Channel. 20dB Bandwidth [MHz] Limit [MHz] Verdict GFSK LCH 0.939 Not Specified Pass MCH 0.933 Not Specified Pass HCH 0.936 Not Specified Pass π/4-DQPSK LCH 1.299 Not Specified Pass MCH 1.294 Not Specified Pass HCH 1.308 Not Specified Pass Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 8 of 34 2.2 Test Graphs GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Dongguan Yaxu(AiT) Technology Limited Report No.: AIT23081103FW1 FCC ID: 2A6KU-BOYI-GMK67 Page 9 of 34 GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Dongguan Yaxu(AiT) Technology Limited Report No…

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Page 1 of 39 Report No.: AIT23081103FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. TEST REPORT Client Information: Applicant: Xiang Tan Taide Trading Co., Ltd. Applicant add.: Yue Tang Qu Fu Rong Lu 9 Hao 1 Dan Yuan 1401028 Hao Hu Nan Xiang Tan China 411100 Manufacturer: Xiang Tan Taide Trading Co., Ltd. Manufacturer add.: Yue Tang Qu Fu Rong Lu 9 Hao 1 Dan Yuan 1401028 Hao Hu Nan Xiang Tan China 411100 Product Information: Product Name: BOYI GMK67-65 Keyboard Kit Model No.: BOYI GMK67, BOYI GMK67 Keyboard Brand Name: BOYI FCC ID: 2A6KU-BOYI-GMK67 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Te l.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: Aug. 10, 2023 Date of Test: Aug. 10, 2023 - Aug. 29, 2023 Date of Issue: Sep. 20, 2023 Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba Huang Seal.chen Page 2 of 39 Report No.: AIT23081103FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. 1 Contents Page COVER PAGE 1 CONTENTS ..................................................................................................................................................... 2 2 TEST SUMMARY ............................................................................................................................................ 4 2.1 Statement of the Measurement Uncertainty .............................................................................. 4 2.2 Measurement Uncertainty ......................................................................................................... 4 3 TEST FACILITY ............................................................................................................................................... 5 3.1 Deviation from standard ............................................................................................................ 5 3.2 Abnormalities from standard conditions .................................................................................... 5 3.3 Test Location ............................................................................................................................. 5 4 GENERAL INFORMATION ............................................................................................................................. 6 4.1 Te s t frequencies ........................................................................................................................ 7 4.2 EUT Peripheral List ................................................................................................................... 8 4.3 Test Peripheral List ................................................................................................................... 8 4.4 TEST METHODOLOGY............................................................................................................ 9 4.5 Description of Test Modes ....................................................................................................... 10 5 EQUIPMENT USED DURING TEST ............................................................................................................. 11 6 TEST RESULTS AND MEASUREMENT DATA ........................................................................................... 12 6.1 Antenna requirement .............................................................................................................. 12 6.2 Peak Power Measurement ...................................................................................................... 13 6.3 Frequency Separation and 20 dB Bandwidth .......................................................................... 15 6.4 Number of Hopping Frequency ............................................................................................... 17 6.5 Time of Occupancy (Dwell Time) ............................................................................................ 18 6.6 Conducted Spurious Emissions and Band Edges Test ........................................................... 20 6.7 Restrict-band Band-edge Measurements ............................................................................... 22 6.8 Radiated Emissions Measurement ......................................................................................... 24 6.9 Conducted Emissions ............................................................................................................. 35 6.10 Pseudorandom frequency hopping sequence ......................................................................... 38 7 TEST SETUP PHOTOGRAPHS OF EUT ..................................................................................................... 39 8 EXTERNAL PHOTOGRAPHS OF EUT ........................................................................................................ 39 9 INTERNAL PHOTOGRAPHS OF EUT ......................................................................................................... 39 Page 3 of 39 Report No.: AIT23081103FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China…

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version01 Xiang Tan Taide Trading Co., Ltd. Declaration concerning Antenna Specification It i s hereby declared that the product Model No.: BOYI GMK67, BOYI GMK67 Keyboard FCC ID: 2A6KU-BOYI-GMK67 fulfill s the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for PCB antenna type(s) described below: Model No. of antenna: ISM 2.4 GHz Type of antenna: PCB Antenna Gain of the antenna: 3.85 dBi Frequency range: 2400-2500 MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: Xiang Tan Taide Trading Co., Ltd. Address: Yue Tang Qu Fu Rong Lu 9 Hao 1 Dan Yuan 1401028 Hao City: Hu Nan Xiang Tan ZIP / Postal code: Country: China 411100 Place: Place: Date: 2023-09-21 Signature:

ÓÉFoxitPDFEditor±à¼• °æÈ ̈ËùÓÐ(c)byFoxitSoftwareCompany,2004 ½öÓÃÓÚÆÀ¹À¡£ ÓÉFoxitPDFEditor±à¼• °æÈ ̈ËùÓÐ(c)byFoxitSoftwareCompany,2004 ½öÓÃÓÚÆÀ¹À¡£ ÓÉFoxitPDFEditor±à¼• °æÈ ̈ËùÓÐ(c)byFoxitSoftwareCompany,2004 ½öÓÃÓÚÆÀ¹À¡£ AntennaSpecification Specifications Summary AntennaPhoto&Length ITEMSPEC. ModelNameISM2.4GHz CenterFrequency 2402.65 MHz 2441.65 MHz 2480.65 MHz 3.85dBi 3.18dBi 2.80dBi MAX.GAIN3.85dBi PolarizationHorizontal AzimuthBeamPattern Omni-directional Impedance50Ω AntennaLength41mm ÓÉFoxitPDFEditor±à¼• °æÈ ̈ËùÓÐ(c)byFoxitSoftwareCompany,2004 ½öÓÃÓÚÆÀ¹À¡£ 1.Mainantenna:2441.65 MHz 1.1Horizontal 2015/11/16 2402.65 ÓÉFoxitPDFEditor±à¼• °æÈ ̈ËùÓÐ(c)byFoxitSoftwareCompany,2004 ½öÓÃÓÚÆÀ¹À¡£ 1.2Vertical 2015/11/16 2402.65 2. Mainantenna:2441.65MHz 2.1Horizontal 2015/11/16 2441.65 2.2Vertical 2015/11/16 2441.65 2480.65 2480.65

Page 1 of 2 FCC ID: 2A6KU-BOYI-GMK67 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Test Setup Photo Radiated Emission Page 2 of 2 FCC ID: 2A6KU-BOYI-GMK67 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Conducted Emission ------End------