2ACCJB243Keyboard

Quick Start Guide EN-1 Contents Specification ��������������������������������������������������������2 Keyboard Interface ��������������������������������������������2 Battery Charging for Keyboard �����������������������2 Connecting Keyboard to Device ��������������������3 Indicator Status ��������������������������������������������������4 Hot Keys ���������������������������������������������������������������5 Certification ��������������������������������������������������������6 Warranty �����������������������������������������������������������10 EN-2 Specification Product Name TCL Smart Keyboard Case BluetoothBluetooth 5.3 Dimension264�4*190�65*10�85mm WeightAbout 440g Battery Capacity210 mAh Continuous use TimeAbout 120 H Battery TypeLi-Polymer Available DistanceAbout 10m Operating Temperature0 to 40 °C Keyboard Interface Battery Charging for Keyboard If the power LED indicator is blinking, the keyboard battery needs to be charged. Power key Charging port EN-3 1� Plug one end of a USB cable into the charging port of keyboard, and the other end into a USB port on your charger. 2� The Power LED indicator is solid as the battery is being charged. 3� Charge the battery until the light turns off. Connecting Keyboard to Device The keyboard connects to the device via Bluetooth. You’ll need to pair the keyboard with the device when you use it for the first time. 1. Make sure Device Bluetooth is on Open Settings, find Bluetooth and turn on it’s switch� 2. Turn on the Keyboard To turn on the keyboard, move Power key to ON position and the power LED indicator turns white. The keyboard is now discoverable and can be paired with your device. 3. Pair Keyboard with Device In the device’s Bluetooth settings, select “Smart Keyboard Case (KB9469X)” from the available device list and touch it to pair. Note: To configure keyboard input language, go to Settings > System > Keyboard > Physical Keyboard > Smart Keyboard Case (KB9469X) Keyboard, then select the language you want. EN-4 Indicator Status NameLight and Function Power/Charge LED Power on: Move Power key to ON position, power LED indicator turns white and remains lit for 1s to 2s� Power off: Move Power key to OFF position. Low battery status: The LED indicator breathes (flashes once every 2s). Charging status: The LED indicator stays solid white when the keyboard is being charged and turns off when fully charged. Bluetooth LED Bluetooth discovery state: The indicator flashes rapidly (on for 0.5s, off for 0.5s). Successful Bluetooth connection: The indicator stays on for 5s, then turns off. Pairing timeout (120s): The LED indicator will turn off. Mic mute LEDThe LED indicator turns on when mic is muted� Caps lock LEDThe LED indicator turns on when Caps Lock is activated. EN-5 Hot Keys KeysFunctionKeysFunction ExitMute Volume downVolume up Mic muteScreenshot Play previousPlay/pause Play next Reduce brightness Increase brightness Voice memo NXTPAPER key Delete Write with AI (Fn+Cmd) KeysOperationFunction Ctrl+Space* Switch language Alt+Tab Switch between active apps Ctrl+CCopy Ctrl+VPaste *Relevant for Android mobile OS, different device/ OS switch method may vary. EN-6 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. KB9469X Bluetooth Design Number Q374808 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 50°C. - Dispose of used batteries according to the instructions. Risk of explosion if battery replaced by an incorrect type� Charger The power delivered by the charger must be between min 0.3 Watt required by the radio equipment, and max 1 Watt in order to achieve the maximum charging speed� This symbol on your device, the battery and the accessories means that these EN-7 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 accordance with the instructions, may cause harmful EN-8 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 interfer…

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Report No.: BTL-FCC SAR-1-2508C745_Appendix D. Page 1 of 1 Appendix D. Photographs of the Test Set-Up Photo 1: Bottom Side_0mm Photo 2: Top Side_0mm Photo 3: Left Side_0mm Photo 3: Rear Face_0mm EUT Photo 1: Front Face EUT Photo 2: Rear Face

Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 27 of 59 11. EUT TEST PHOTO AC Power Line Conducted Emissions Test Photos Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 28 of 59 Radiated Emissions Test Photos 9 kHz to 30 MHz Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 29 of 59 Radiated Emissions Test Photos 30 MHz to 1000 MHz Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 30 of 59 Radiated Emissions Test Photos Band edge & Harmonic(1 GHz to 18 GHz) Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 31 of 59 Radiated Emissions Test Photos Harmonic(18 GHz to 26.5 GHz) Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 32 of 59 Conducted Test Photos

Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 1 of 59 FCC Radio Test Report FCC ID: 2ACCJB243 This report concerns: Original Grant Project No. : 2508C745 Equipment : Keyboard Brand Name : TCL Model Name : KB9469X Applicant : TCL Communication Ltd. Address : 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong Manufacturer : TCL Communication Ltd. Address : 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong Date of Receipt : Sep. 03, 2025 Date of Test : Sep. 04, 2025 ~ Sep. 26, 2025 Issued Date : Oct. 17, 2025 Test Sample : Engineering Sample No.: DG920250903134 for other conducted, DG920250903134 and DG920250903133 for Radiated and AC Power Line Conducted. Standard(s) : FCC CFR Title 47, Part 15, Subpart C The above equipment has been tested and found compliance with the requirement of the relative standards by BTL Inc. (Dongguan) Prepared by : Chella Zheng Approved by : Chay Cai No.3, Jinshagang 1st Road, Dalang, Dongguan, Guangdong People‟s Republic of China. Tel: +86-769-8318-3000 Web: www.newbtl.com Service mail: [email protected] Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 2 of 59 Declaration BTL represents to the client that testing is done in accordance with standard procedures as applicable and that test instruments used has been calibrated with standards traceable to international standard(s) and/or national standard(s). BTL's reports apply only to the specific samples tested under conditions. It is manufacture‟s responsibility to ensure that additional production units of this model are manufactured with the identical electrical and mechanical components. BTL assumes no responsibility for the data provided by the customer, any statements, inferences or generalizations drawn by the customer or others from the reports issued by BTL. The report must not be used by the client to claim product certification, approval, or endorsement by A2LA or any agency of the U.S. Government. This report is the confidential property of the client. As a mutual protection to the clients, the public and ourselves, the test report shall not be reproduced, except in full, without our written approval. BTL‟s laboratory quality assurance procedures are in compliance with the ISO/IEC 17025: 2017 requirements, and accredited by the conformity assessment authorities listed in this test report. BTL is not responsible for the sampling stage, so the results only apply to the sample as received. The information, data and test plan are provided by manufacturer which may affect the validity of results, so it is manufacturer‟s responsibility to ensure that the apparatus meets the essential requirements of applied standards and in all the possible configurations as representative of its intended use. Limitation For the use of the authority's logo is limited unless the Test Standard(s)/Scope(s)/Item(s) mentioned in this test report is (are) included in the conformity assessment authorities acceptance respective. Please note that the measurement uncertainty is provided for informational purpose only and are not use in determining the Pass/Fail results. Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 3 of 59 Table of Contents Page REVISION HISTORY 6 1 . APPLICABLE STANDARDS 7 2 . SUMMARY OF TEST RESULTS 7 2.1 TEST FACILITY 8 2.2 MEASUREMENT UNCERTAINTY 8 2.3 TEST ENVIRONMENT CONDITIONS 9 3 . GENERAL INFORMATION 10 3.1 GENERAL DESCRIPTION OF EUT 10 3.2 DESCRIPTION OF TEST MODES 11 3.3 PARAMETERS OF TEST SOFTWARE 11 3.4 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 12 3.5 SUPPORT UNITS 12 3.6 CUSTOMER INFORMATION DESCRIPTION 12 4 . AC POWER LINE CONDUCTED EMISSIONS 13 4.1 LIMIT 13 4.2 TEST PROCEDURE 13 4.3 DEVIATION FROM TEST STANDARD 13 4.4 TEST SETUP 14 4.5 EUT OPERATING CONDITIONS 14 4.6 TEST RESULTS 14 5 . RADIATED EMISSIONS 15 5.1 LIMIT 15 5.2 TEST PROCEDURE 16 5.3 DEVIATION FROM TEST STANDARD 16 5.4 TEST SETUP 17 5.5 EUT OPERATING CONDITIONS 19 5.6 TEST RESULT - 9 KHZ TO 30 MHZ 19 5.7 TEST RESULT - 30 MHZ TO 1000 MHZ 19 5.8 TEST RESULT - ABOVE 1000 MHZ 19 6 . BANDWIDTH 20 6.1 LIMIT 20 Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 4 of 59 Table of Contents Page 6.2 TEST PROCEDURE 20 6.3 DEVIATION FROM STANDARD 20 6.4 TEST SETUP 20 6.5 EUT OPERATION CONDITIONS 20 6.6 TEST RESULTS 20 7 . MAXIMUM OUTPUT POWER 21 7.1 LIMIT 21 7.2 TEST PROCEDURE 21 7.3 DEVIATION FROM STANDARD 21 7.4 TEST SETUP 21 7.5 EUT OPERATION CONDITIONS 21 7.6 TEST RESULTS 21 8 . CONDUCTED SPURIOUS EMISSION 22 8.1 LIMIT 22 8.2 TEST PROCEDURE 22 8.3 DEVIATION FROM STANDARD 22 8.4 TEST SETUP 23 8.5 EUT OPERATION CONDITIONS 23 8.6 TEST RESULTS 23 9 . POWER SPECTRAL DENSITY 24 9.1 LIMIT 24 9.2 TEST PROCEDURE 24 9.3 DEVIATION FROM STANDARD 24 9.4 TEST SETUP 24 9.5 EUT OPERATION CONDITIONS 24 9.6 TEST RESULTS 24 10 . MEASUREMENT INSTRUMENTS LIST 25 11 . EUT TEST PHOTO 27 APPENDIX A - AC POWER LINE CONDUCTED EMISSIONS 33 APPENDIX B - RADIATED EMISSION - 9 KHZ TO 30 MHZ 36 APPENDIX C - RADIATED EMISSION - 30 MHZ TO 1000 MHZ 41 APPENDIX D - RADIATED EMISSION - ABOVE 1000 MHZ 44 Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 5 of 59 Table of Contents Page APPENDIX E - BANDWIDTH 52 APPENDIX F - MAXIMUM OUTPUT POWER 54 APPENDIX G - CONDUCTED SPURIOUS EMISSION 56 APPENDIX H - POWER SPECTRAL DENSITY 58 Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 6 of 59 REVISION HISTORY Report No. Version Description Issued Date Note BTL-FCCP-1-2508C745 R00 Original Report. Oct. 17, 2025 Valid Report No.:BTL-FCCP-1-2508C745 Report Version: R00 Page 7 of 59 1. APPLICABLE STANDARDS According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standard: ANSI C63.10-2020 The following reference test guidance is not within the scope of accreditation of A2LA: KDB 558074 D01 15.247 Meas Guidance v05r02 2. SUMMARY OF TEST RESULTS Test procedures according to the technical standard(s):…

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www.inpaq.com.tw Antenna Test Report 1 Customer 凯辉 Project Bellona Antenna Revision A0 Antenna Type PCB Prepared by 13528763700 Date: 2025.8.19 www.inpaq.com.tw Content 1. Product Overview & Dimension 2. Test system 3. Antenna Matching Network 4. Test Result 4.1 S11 Parameter-VSWR 4.2 Gain & Efficiency 4.3 2D Pattern 5. Conclusion 2 Purpose This report is to measure the performance of antenna for BellonaThe antenna operating frequency at 2400-2500MHz, All test data are showed as below. www.inpaq.com.tw 3 1.Product Overview & Dimension www.inpaq.com.tw Sequence Number Test Item equipment S parameter VSWR Agilent 5071C & Agilent 5062A OTA Test TRP&TIS Agilent 8960 E5515C& Agilent 4438C&CMW500 &CMW270 ETS&SATIMO Gain & Efficiency Gain & Efficiency ETS&SATIMO Agilent 5071C 4 2.Test System www.inpaq.com.tw 5 3.Antenna Matching Network www.inpaq.com.tw 6 4. Test Result 4.1 S11 Parameter-VSWR www.inpaq.com.tw 7 4.2 Gain & Efficiency 4. Test Result Frequency (MHz) Efficiency (%) Peak GAIN (dBi) 2400 61.1% 6.60 2410 63.2% 6.47 2420 63.6% 6.65 2430 62.8% 6.62 2440 64.7% 6.33 2450 63.8% 6.40 2460 63.3% 6.83 2470 64.2% 6.80 2480 63.3% 6.40 2490 63.7% 6.47 2500 64.4% 6.73 www.inpaq.com.tw 8 4.3 2D Pattern 4. Test Result www.inpaq.com.tw 9

Dipole Internal Calibration Record Asset No.： E-434 Model No.： D2450V2 Serial No.： 919 Environmental 22.5°C, 57 % Original Cal.Date： April 22, 2024 Next Cal. Date： April 22, 2027 Standard List 1 IEC/IEEE 62209-1528:2020 Measurement Procedure For The Assessment Of Specific Absorption Rate Of Human Exposure To Radio Frequency Fields From Hand-Held And Body-Worn Wireless Communication Devices - Part 1528:Human Models,Instrumentation And Procedures(Frequency Range of 4 MHz to 10GHz） 2KDB865664SAR Measurement Requirements for 100 MHz to 6 GHz Equipment Information Equipment：Manufacturer：Model No.：Serial No.：Cal.Organization：Cal. Date： Power AmplifierMini-CircuitsZHL-42W+QA1333003N/A June 29, 2024 DC Source metterlteckIT6154006104126768201001N/A June 29, 2024 Vector Network AnalyzerAgilentE5071CMY46102965N/A January 11, 2025 Signal GeneratorAgilentN5172BMY53050758N/A January 11, 2025 Smart Power SensorR&SNRP18S101333N/A June 1, 2024 Dielectric Assessment SpeagDAK-3.51226N/A January 20, 2025 Directional CouplerWokenTS-PCC0M-050107090019N/A January 11, 2025 CouplerWoken0110A05601O-10COM5BNW1A2N/A January 12, 2025 Liquid ThermometerNscing EsYZ6021S/N/A November 24, 2024 Model NoFor Head Tissue D2450V2 ItemOriginal Cal. ResultVerified on 2025/4/15DeviationResult Impedance, transformed to feed point 55.3Ω+1.3jΩ55.09Ω+3.27Ω<5ΩPass Return Loss(dB)-25.7-25.444-1.0%Pass SAR Value for 1g(mW/g)13.612.7-6.6%Pass SAR Value for 10g(mW/g) 6.35.97-5.2%Pass Impedance Test-HeadReturn Loss-Head Validation Report for Head TSL Calibrator:Approver:

Rev 1/26/2023 (TCL Communication Ltd.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 10-15-2025 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2ACCJB243 [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. [TCL Communication Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) Ting Wang Rev 1/26/2023 (TCL Communication Ltd.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 10-15-2025 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2ACCJB243 [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, (Applicant signature) Ting Wang

Report No.: BTL-FCC SAR-1-2508C745_Appendix B. Page 1 of 1 Test Laboratory: BTL Inc. (Dongguan) Date: 2025/9/30 B06_BLE_CH19_Rear Face_0mm DUT: Test sample; Communication System: UID 0, Bluetooth (0); Frequency: 2440 MHz; Duty Cycle: 1:1 Medium parameters used: f = 2440 MHz; σ = 1.822 S/m; ε r = 38.099; ρ = 1000 kg/m 3 Ambient Temperature：22.8 °C; Liquid Temperature：22.4 °C DASY Configuration: • Probe: EX3DV4 - SN7544; ConvF(7.63, 7.63, 7.63) @ 2440 MHz; Calibrated: 2025/6/19 • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE4 Sn1390; Calibrated: 2024/11/14 • Phantom: ELI v5.0; Type: QDOVA002AA; Serial: 1128 • DASY52 52.10.4(1535); SEMCAD X 14.6.14(7501) Area Scan (8x13x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 0.0181 W/kg Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 0.6210 V/m; Power Drift = -0.09 dB Peak SAR (extrapolated) = 0.0280 W/kg SAR(1 g) = 0.009 W/kg; SAR(10 g) = 0.003 W/kg Smallest distance from peaks to all points 3 dB below = 11.2 mm Ratio of SAR at M2 to SAR at M1 = 35% Maximum value of SAR (measured) = 0.0190 W/kg

Report No.: BTL-FCC SAR-1-2508C745_Appendix A. Page 1 of 1 Test Laboratory: BTL Inc. (Dongguan) Date: 2025/9/30 System Check_H2450_0930 DUT: Dipole 2450 MHz D2450V2;SN:919; Communication System: UID 0, CW (0); Frequency: 2450 MHz; Duty Cycle: 1:1 Medium parameters used (interpolated): f = 2450 MHz; σ = 1.833 S/m; ε r = 38.058; ρ = 1000 kg/m 3 Ambient Temperature：22.8 °C; Liquid Temperature：22.4 °C DASY Configuration: • Probe: EX3DV4 - SN7544; ConvF(7.63, 7.63, 7.63) @ 2450 MHz; Calibrated: 2025/6/19 • Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0 • Electronics: DAE4 Sn1390; Calibrated: 2024/11/14 • Phantom: ELI v5.0; Type: QDOVA002AA; Serial: 1128 • DASY52 52.10.4(1535); SEMCAD X 14.6.14(7501) Area Scan (7x8x1): Measurement grid: dx=12mm, dy=12mm Maximum value of SAR (measured) = 8.48 W/kg Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 73.07 V/m; Power Drift = 0.02 dB Peak SAR (extrapolated) = 11.6 W/kg SAR(1 g) = 5.41 W/kg; SAR(10 g) = 2.48 W/kg Smallest distance from peaks to all points 3 dB below = 9 mm Ratio of SAR at M2 to SAR at M1 = 47% Maximum value of SAR (measured) = 9.17 W/kg

Report No.: BTL-FCC SAR-1-2508C745 Report Version: R00 Page 1 of 28 FCC SAR Test Report FCC ID: 2ACCJB243 Project No. : 2508C745 Equipment : Keyboard Brand Name : TCL Model Name : KB9469X Date of Receipt : Sep. 03, 2025 Date of Test : Sep. 29, 2025 ~ Oct. 09, 2025 Issued Date : Oct. 17, 2025 Test Sample : Engineering Sample No.: DG920250903133 Standard(s) : Please refer to page 2. Applicant : TCL Communication Ltd. Address : 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong Manufacturer : TCL Communication Ltd. Address : 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong The above equipment has been tested and found compliance with the requirement of the relative standards by BTL Inc. (Dongguan) Prepared by : Dana Chen Approved by : Herbort Liu No.3, Jinshagang 1st Road, Dalang, Dongguan, Guangdong People’s Republic of China. Te l : + 8 6-769-8318-3000 Web: www.newbtl.com Service mail: [email protected] Report No.: BTL-FCC SAR-1-2508C745 Report Version: R00 Page 2 of 28 Standard(s) : IEEE Std C95.1:2019 IEEE Standard for Safety Levels with Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 kHz to 300 GHz IEEE Std 1528 TM -2013 IEEE Recommended Practice for Determining the Peak Spatial- Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques KDB447498 D04 Interim General RF Exposure Guidance v01 KDB865664 D01 SAR measurement 100 MHz to 6 GHz v01r04 KDB447498 D03 Supplement C Cross-Reference v01 Test Method : KDB865664 D02 SAR Reporting v01r02 Report No.: BTL-FCC SAR-1-2508C745 Report Version: R00 Page 3 of 28 Declaration BTL represents to the client that testing is done in accordance with standard procedures as applicable and that test instruments used has been calibrated with standards traceable to international standard(s) and/or national standard(s). BTL's reports apply only to the specific samples tested under conditions. It is manufacture’s responsibility to ensure that additional production units of this model are manufactured with the identical electrical and mechanical components. BTL assumes no responsibility for the data provided by the customer, any statements, inferences or generalizations drawn by the customer or others from the reports issued by BTL. The report must not be used by the client to claim product certification, approval, or endorsement by A2LA or any agency of the U.S. Government. This report is the confidential property of the client. As a mutual protection to the clients, the public and ourselves, the test report shall not be reproduced, except in full, without our written approval. BTL’s laboratory quality assurance procedures are in compliance with the ISO/IEC 17025: 2017 requirements, and accredited by the conformity assessment authorities listed in this test report. BTL is not responsible for the sampling stage, so the results only apply to the sample as received. The information, data and test plan are provided by manufacturer which may affect the validity of results, so it is manufacturer’s responsibility to ensure that the apparatus meets the essential requirements of applied standards and in all the possible configurations as representative of its intended use. Limitation For the use of the authority's logo is limited unless the Test Standard(s)/Scope(s)/Item(s) mentioned in this test report is (are) included in the conformity assessment authorities acceptance respective. Please note that the measurement uncertainty is provided for informational purpose only and are not use in determining the Pass/Fail results. Report No.: BTL-FCC SAR-1-2508C745 Report Version: R00 Page 4 of 28 Table of Contents Page REVISION HISTORY 6 1 . GENERAL INFORMATION 7 1.1 STATEMENT OF COMPLIANCE 7 1.2 LABORATORY ENVIRONMENT 7 1.3 GENERAL DESCRIPTION OF EUT 8 1.4 MAIN TEST INSTRUMENTS 9 2 . RF EMISSIONS MEASUREMENT 10 2.1 TEST FACILITY 10 2.2 MEASUREMENT UNCERTAINTY 10 3 . SAR MEASUREMENTS SYSTEM CONFIGURATION 11 3.1 SAR MEASUREMENT SET-UP 11 3.1.1 TEST SETUP LAYOUT 11 3.2 DASY5 E-FIELD PROBE SYSTEM 12 3.2.1 PROBE SPECIFICATION 12 3.2.2 E-FIELD PROBE CALIBRATION 13 3.2.3 OTHER TEST EQUIPMENT 14 3.2.4 SCANNING PROCEDURE 15 3.2.5 SPATIAL PEAK SAR EVALUATION 16 3.2.6 DATA STORAGE AND EVALUATION 17 3.2.7 DATA EVALUATION BY SEMCAD 18 4 . SYSTEM VERIFICATION PROCEDURE 20 4.1 TISSUE VERIFICATION 20 4.2 SYSTEM CHECK 21 4.3 SYSTEM CHECK PROCEDURE 21 5 . SAR MEASUREMENT VARIABILITY AND UNCERTAINTY 22 5.1 SAR MEASUREMENT VARIABILITY 22 6 . OPERATIONAL CONDITIONS DURING TEST 23 6.1 TEST POSITION 23 6.2 TEST CONFIGURATION 23 7 . TEST RESULT 24 7.1 CONDUCTED POWER RESULTS 24 7.1.1 CONDUCTED POWER MEASUREMENTS OF BT 24 7.2 SAR TEST RESULTS 25 7.2.1 SAR MEASUREMENT RESULT 25 Report No.: BTL-FCC SAR-1-2508C745 Report Version: R00 Page 5 of 28 Table of Contents Page 8 MULTIPLE TRANSMITTER EVALUATION 26 APPENDIX 27 1. TEST LAYOUT 27 Appendix A. SAR Plots of System Verification Appendix B. SAR Plots of SAR Measurement Appendix C. Calibration Certificate Appendix D. Photographs of the Test Set-Up Report No.: BTL-FCC SAR-1-2508C745 Report Version: R00 Page 6 of 28 REVISION HISTORY Report No. Version Description Issued Date Note BTL-FCC SAR-1-2508C745 R00 Original Report. Oct. 17, 2025 Valid Report No.: BTL-FCC SAR-1-2508C745 Report Version: R00 Page 7 of 28 1. GENERAL INFORMATION 1.1 STATEMENT OF COMPLIANCE Mode Highest Bodyworn SAR-1g (W/kg) Highest Limbs SAR-10g (W/kg) Bluetooth 0.063 0.021 Note: The device is in compliance with Specific Absorption Rate (SAR) for general population uncontrolled exposure limits according to the FCC rule §2.1093, the ANSI/IEEE C95.1, the NCRP Report Number 86 for uncontrolled environment, and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528. 1.2 LABORATORY ENVIRONMENT Temperature Min. = 20ºC, Max. = 24ºC Relative humidity Min. = 30%, Max. = 70% …

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Project No.: 2508C745 Page 6 of 11 Project No.: 2508C745 Page 7 of 11 Antenna Project No.: 2508C745 Page 8 of 11 Project No.: 2508C745 Page 9 of 11 Project No.: 2508C745 Page 10 of 11 Project No.: 2508C745 Page 11 of 11

57.3 mm 7 . 0 m m 1 5 . 0 m m label area 37X15mm 1 5 . 0 m m 1 02 .9 mm 112.7 mm Bellona_keyboard_CE镭雕_marking_20250723 字符镭雕

Project No.: 2508C745 Page 1 of 11 ATTACHMENT PHOTOGRAPHS OF EUT Project No.: 2508C745 Page 2 of 11 Project No.: 2508C745 Page 3 of 11 Project No.: 2508C745 Page 4 of 11 Project No.: 2508C745 Page 5 of 11

TCL Communication Ltd. Declaration of Authorization We Name: TCL Communication Ltd. Address: 5/F, Building 22E, 22 Science Park East Avenue Hong Kong Science Park, Shatin, NT City: Hong Kong Country: China Declare that: Name Representative of agent: Ms. Rose Liu Agent Company name: BTL Inc. Address: No.3 Jinshagang 1 st Road, Shixia, Dalang Town City: Dong Guan Country: China is authorized to apply for Certification and signing related documents of the following product(s), including 731 form(s): Product description: Keyboard Type designation: KB9469X Trademark: TCL FCC ID: 2ACCJB243 on our behalf. Date: 2025-10-14 City: Hong Kong Name: Ting Wang Function: manager Signature: .

TCL Communication Ltd. Date: 2025.10.15 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2ACCJB243 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operational Description Tune-up Procedure 4. Schematics 5. Block Diagram 6. Operational Description 15. Tune up procedure The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. 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. Signature Ting Wang

Page 1 of 1 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: TCT Mobile (US) Inc. Contact Name: Yao Dai Street Address: 189 Technology Drive City/Province/Zip: Irvine, CA 92618 Telephone No: 1-855-368-0829 Email: [email protected] FRN #: 0033429465 This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: October 11, 2025 Signed by (Printed Name/Title): Yao Dai / Technical Acceptance Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: TCL Communication Ltd. Grantee Code: 2ACCJ FRN: 0031833205 Contact Name: Wang Ting Street Address: 5/F, Building 22E, 22 Science Park East Avenue, Hong Kong Science Park, Shatin, NT, Hong Kong City/Province/Zip: Hongkong Telephone No: +86 13502294537 Email: [email protected] Applicant Signature: Date: 2025-10-11 Signed by (Printed Name/Title): Wang Ting / Product Certification Manager