2BXBK-C001ACTIVE NOISE CANCELING WIRELESS HEADPHONES

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. L'appareil est conforme aux limites d'exposition aux rayonnements spécifiées par la FCC pour les environnements non controlés Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Tout changement ou modification non expressément approuvé par la partie responsable de la conformité peut annuler l'autorisation de l'utilisateur à utiliser cet équipement.

Shenzhen Lima Technology Co.,Ltd Add: Flat room 1019B,Liven house,No.61-63 King Yip street Kwun Tong，Kowloon， Hong Kong Tel: +86 15986713787 E-mail: [email protected] Date: 2026-08-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Shenzhen Lima Technology Co.,Ltd hereby declare that： Product Name: ACTIVE NOISE CANCELING WIRELESS HEADPHONES Model No.: UPT-1836 FCC ID: 2BXBK-C001 For marketing purpose, this product only supports GFSK, π/4-DQPSK, 8DPSK. The other functions, bands and modes were disabled to use by manufacturer in the software, the end user has no capability to activate it. Sincerely, Signature Printed Name: Li Hui Title: Director

Shenzhen Lima Technology Co.,Ltd Add: Flat room 1019B,Liven house,No.61-63 King Yip street Kwun Tong，Kowloon，Hong Kong Tel: +86 15986713787 E-mail: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2026-08-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2BXBK-C001 Shenzhen Lima Technology 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. Sincerely, Signature Printed Name: Li Hui Title: Director

Shenzhen Lima Technology Co.,Ltd Add: Flat room 1019B,Liven house,No.61-63 King Yip street Kwun Tong，Kowloon，Hong Kong Tel: +86 15986713787 E-mail: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2026-08-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2BXBK-C001 Shenzhen Lima Technology 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, Signature Printed Name: Li Hui Title: Director

Shenzhen Lima Technology Co.,Ltd Add: Flat room 1019B,Liven house,No.61-63 King Yip street Kwun Tong，Kowloon，Hong Kong Tel: +86 15986713787 E- mail: [email protected] FCC Authorization Date: 2026-08-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Shenzhen Lima Technology Co.,Ltd hereby authorize Bay Area Compliance Laboratories Corp. (Shenzhen) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. (Shenzhen) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a 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. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature： Printed Name: Li Hui Title: Director

Shenzhen Lima Technology Co.,Ltd Add: Flat room 1019B,Liven house,No.61-63 King Yip street Kwun Tong，Kowloon， Hong Kong Tel: +86 15986713787 E-mail: [email protected] Product Similarity Declaration Date: 2026-08-06 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Shenzhen Lima Technology Co.,Ltd hereby declare that we have a product named as ACTIVE NOISE CANCELING WIRELESS HEADPHONES, (model: UPT- 1836, FCC ID: 2BXBK-C001) was tested by Bay Area Compliance Laboratories Corp. (Shenzhen). Model UPT-1836 comes in two colors. The details are as follows They are identical in electrically, only the model name and sales channels are different, there is no other difference. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely, Signature: Printed Name: Li Hui Title: Director

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-EXP Page 1 of 5 EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-EXP Page 2 of 5 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-EXP Page 3 of 5 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-EXP Page 4 of 5 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-EXP Page 5 of 5

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-INP Page 1 of 4 EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-INP Page 2 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-INP Page 3 of 4 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-INP Page 4 of 4 ANT

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-00 TR-EM-RF001 Page 23 of 74 Version 4.2 RF EXPOSURE EVALUATION RF EXPOSURE EVALUATION Applicable Standard According to FCC §2.1093 and §1.1307(b) (1), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB 447498 D01 General RF Exposure Guidance v06. The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] • [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where 1. f(GHz) is the RF channel transmit frequency in GHz. 2. Power and distance are rounded to the nearest mW and mm before calculation. 3. The result is rounded to one decimal place for comparison. 4. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test Exclusion. Measurement Result For worst case: Mode Frequency (MHz) Max tune-up conducted power # (dBm) Max tune-up conducted power # (mW) Distance (mm) Calculated value Threshold (1-g SAR) SAR Test Exclusion BT2402-2480 7551.63 Yes Result: Compliant

Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn TR-EM-RF001 Page 1 of 74 Version 4.2 TEST REPORT Applicant Name:Shenzhen Lima Technology Co.,Ltd Address:Flat room 1019B, Liven house, No.61-63 King Yip street Kwun Tong, Kowloon, Hong Kong Report Number:2601V34011E-RF-00 FCC ID:2BXBK-C001 Test Standard (s) FCC PART 15.247 Sample Description Product Type:ACTIVE NOISE CANCELING WIRELESS HEADPHONES Model No.:UPT-1836 Multiple Model(s) No.:N/A Trade Mark:UP-TECH Date Received:2026/07/28 Issue Date:2026/08/25 Test Result:Pass ▲ ▲ In the configuration tested, the EUT complied with the standards above. Prepared and Checked By:Approved By: Navilite CaiNancy Wang RF EngineerRF Supervisor Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-00 TR-EM-RF001 Page 2 of 74 Version 4.2 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ..........................................................................................................................3 GENERAL INFORMATION ........................................................................................................................................4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT)......................................................................................4 OBJECTIVE ....................................................................................................................................................................4 TEST METHODOLOGY....................................................................................................................................................4 MEASUREMENT UNCERTAINTY .....................................................................................................................................5 TEST FACILITY ..............................................................................................................................................................5 SYSTEM TEST CONFIGURATION ...........................................................................................................................6 SUMMARY OF TEST RESULTS ................................................................................................................................8 TEST EQUIPMENT LIST ............................................................................................................................................9 REQUIREMENTS AND TEST PROCEDURES ......................................................................................................10 AC LINE CONDUCTED EMISSIONS...............................................................................................................................10 RADIATED EMISSIONS .................................................................................................................................................12 20 DB EMISSION BANDWIDTH & 99% OCCUPIED BANDWIDTH..................................................................................15 CHANNEL SEPARATION TEST ......................................................................................................................................17 QUANTITY OF HOPPING CHANNEL TEST .....................................................................................................................18 TIME OF OCCUPANCY (DWELL TIME) .........................................................................................................................19 PEAK OUTPUT POWER MEASUREMENT .......................................................................................................................20 BAND EDGES ...............................................................................................................................................................21 CONDUCTED SPURIOUS EMISSION...............................................................................................................................22 RF EXPOSURE EVALUATION ................................................................................................................................23 ANTENNA REQUIREMENT .....................................................................................................................................24 TEST DATA AND RESULTS .....................................................................................................................................25 RADIATED EMISSIONS .................................................................................................................................................25 RF CONDUCTED DATA ................................................................................................................................................53 20 dB Emission Bandwidth....................................................................................................................................54 99% Occupied Bandwidth ..........…

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Manufacture/address ZHUHAI JIELI TECHNOLOGY CO.,LTD 3 33 Kexing Rd,Nanping Town,Xiang zhou Dist,Zhuhai City,Guangdong Province, China Antenna Photo & Length (mm) Antenna gain diagram

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-00-TSP Page 1 of 2 TEST SETUP PHOTOGRAPHS Radiated Emissions View (Below 30MHz) Radiated Emissions View (Below 1 GHz) Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2601V34011E-RF-00-TSP Page 2 of 2 Radiated Emissions View (1-18 GHz) Radiated Emissions View (18-25 GHz)