2ALNA-BTS58Portable Wireless Speaker

Label Artwork and Location Model: BTS58 Label: Size: L*W=93.5*22.23mm Location 7mm

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : CTA26050901802 2ALNA-BTS58 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : May 25, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : Shenzhen Thousandshores Technology Co., Ltd. Address............................................ : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Portable Wireless Speaker Trade Mark ....................................... : Tribit Manufacturer .................................... : Shenzhen Thousandshores Technology Co., Ltd. Model/Type reference ...................... : BTS58 Listed Models ................................... : N/A Rating ............................................... : DC 5V(Adapter Input AC 120V/60Hz) or Rechargeable Li-ion Battery DC 7.4V Result ............................................... : PASS Report No.: CTA26050901802 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Portable Wireless Speaker Model /Type : BTS58 Applicant : Shenzhen Thousandshores Technology Co., Ltd. Address : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Manufacturer : Shenzhen Thousandshores Technology Co., Ltd. Address : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26050901802 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks .................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................ 5 2.4 Modifications ........................................................................................................... 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory ................................................................................. 6 3.2 Test Facility ............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................ 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ........................................................................................................... 7 4.2 Conducted Power Results ...................................................................................... 7 4.3 Manufacturing tolerance ......................................................................................... 8 4.4 Evaluation Result .................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion...................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA26050901802 Page 4 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an…

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Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. ........................................... : CTA26050901801 2ALNA-BTS58 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : May 25, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : Shenzhen Thousandshores Technology Co., Ltd. Address ............................................ : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Test specification ........................... : Standard ........................................... : FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Portable Wireless Speaker Trade Mark ....................................... : Tribit Manufacturer .................................... : Shenzhen Thousandshores Technology Co., Ltd. Model/Type reference ...................... : BTS58 Listed Models ................................... : N/A Modulation ....................................... : GFSK, Π/4DQPSK, 8DPSK Frequency ........................................ : From 2402MHz to 2480MHz Ratings ............................................. : DC 5V(Adapter Input AC 120V/60Hz) or Rechargeable Li-ion Battery DC 7.4V Result ............................................... : PASS Report No.: CTA26050901801 Page 2 of 41 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Portable Wireless Speaker Model /Type : BTS58 Applicant : Shenzhen Thousandshores Technology Co., Ltd. Address : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Manufacturer : Shenzhen Thousandshores Technology Co., Ltd. Address : Room 1101, Building B, Lotus Plaza, No. 3186 Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26050901801 Page 3 of 41 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description .......................................................................................................................... 5 2.3 Equipment Under Test ...................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ..................................................................... 5 2.5 EUT configuration ............................................................................................................................. 6 2.6 EUT operation mode......................................................................................................................... 6 2.7 Block Diagram of Test Setup ............................................................................................................ 7 2.8 Related Submittal(s) / Grant (s) ........................................................................................................ 7 2.9 Modifications ..................................................................................................................................... 7 3 TEST ENVIRONMENT ................................................................................................................................. 8 3.1 Address of the test laboratory ........................................................................................................... 8 3.2 Test Facility ....................................................................................................................................... 8 3.3 Environmental conditions ........…

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1 ISED Appendix RF Test Data for BT Company : Shenzhen Thousandshores Technology Co., Ltd. EUT : Portable Wireless Speaker Model Number : BTS58 Report No. : CTA26050901801 FCC ID : 2ALNA-BTS58 Reviewed By : Eric Wang 2 Duty Cycle Condition Mode Frequency (MHz) Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT 1-DH5 2402 79.62 0.99 0.34 NVNT 1-DH5 2441 78.42 1.06 0.36 NVNT 1-DH5 2480 79.42 1.00 0.34 NVNT 2-DH5 2402 79.72 0.98 0.34 NVNT 2-DH5 2441 80.22 0.96 0.34 NVNT 2-DH5 2480 79.82 0.98 0.34 NVNT 3-DH5 2402 80.52 0.94 0.34 NVNT 3-DH5 2441 79.82 0.98 0.34 NVNT 3-DH5 2480 80.42 0.95 0.34 3 Test Graphs Duty Cycle NVNT 1-DH5 2402MHz Duty Cycle NVNT 1-DH5 2441MHz 4 Duty Cycle NVNT 1-DH5 2480MHz Duty Cycle NVNT 2-DH5 2402MHz 5 Duty Cycle NVNT 2-DH5 2441MHz Duty Cycle NVNT 2-DH5 2480MHz 6 Duty Cycle NVNT 3-DH5 2402MHz Duty Cycle NVNT 3-DH5 2441MHz 7 Duty Cycle NVNT 3-DH5 2480MHz 8 Maximum Conducted Output Power Condition Mode Frequency (MHz) Conducted Power (dBm) Limit (dBm) Verdict NVNT 1-DH1 2402 3.93 30 Pass NVNT 1-DH1 2441 4.96 30 Pass NVNT 1-DH1 2480 2.98 30 Pass NVNT 2-DH1 2402 4.94 21 Pass NVNT 2-DH1 2441 5.80 21 Pass NVNT 2-DH1 2480 3.86 21 Pass NVNT 3-DH1 2402 5.44 21 Pass NVNT 3-DH1 2441 4.12 21 Pass NVNT 3-DH1 2480 4.40 21 Pass 9 Test Graphs Power NVNT 1-DH1 2402MHz Power NVNT 1-DH1 2441MHz 10 Power NVNT 1-DH1 2480MHz Power NVNT 2-DH1 2402MHz 11 Power NVNT 2-DH1 2441MHz Power NVNT 2-DH1 2480MHz 12 Power NVNT 3-DH1 2402MHz Power NVNT 3-DH1 2441MHz 13 Power NVNT 3-DH1 2480MHz 14 -20dB Bandwidth Condition Mode Frequency (MHz) -20 dB Bandwidth (MHz) Verdict NVNT 1-DH1 2402 0.882 Pass NVNT 1-DH1 2441 0.879 Pass NVNT 1-DH1 2480 0.879 Pass NVNT 2-DH1 2402 1.252 Pass NVNT 2-DH1 2441 1.260 Pass NVNT 2-DH1 2480 1.260 Pass NVNT 3-DH1 2402 1.220 Pass NVNT 3-DH1 2441 1.223 Pass NVNT 3-DH1 2480 1.220 Pass 15 Test Graphs -20dB Bandwidth NVNT 1-DH1 2402MHz -20dB Bandwidth NVNT 1-DH1 2441MHz 16 -20dB Bandwidth NVNT 1-DH1 2480MHz -20dB Bandwidth NVNT 2-DH1 2402MHz 17 -20dB Bandwidth NVNT 2-DH1 2441MHz -20dB Bandwidth NVNT 2-DH1 2480MHz 18 -20dB Bandwidth NVNT 3-DH1 2402MHz -20dB Bandwidth NVNT 3-DH1 2441MHz 19 -20dB Bandwidth NVNT 3-DH1 2480MHz 20 Carrier Frequencies Separation Condition Mode Hopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict NVNT 1-DH1 2401.961 2402.959 0.998 0.882 Pass NVNT 1-DH1 2440.957 2441.967 1.010 0.882 Pass NVNT 1-DH1 2478.963 2479.961 0.998 0.882 Pass NVNT 2-DH1 2401.955 2402.962 1.007 0.840 Pass NVNT 2-DH1 2440.963 2441.964 1.001 0.840 Pass NVNT 2-DH1 2479.030 2480.030 1.000 0.840 Pass NVNT 3-DH1 2401.932 2402.923 0.991 0.815 Pass NVNT 3-DH1 2440.920 2441.920 1.000 0.815 Pass NVNT 3-DH1 2478.919 2479.919 1.000 0.815 Pass 21 Test Graphs CFS NVNT 1-DH1 2402MHz CFS NVNT 1-DH1 2441MHz 22 CFS NVNT 1-DH1 2480MHz CFS NVNT 2-DH1 2402MHz 23 CFS NVNT 2-DH1 2441MHz CFS NVNT 2-DH1 2480MHz 24 CFS NVNT 3-DH1 2402MHz CFS NVNT 3-DH1 2441MHz 25 CFS NVNT 3-DH1 2480MHz 26 Band Edge Condition Mode Frequency (MHz) Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH1 2402 -57.83 -20 Pass NVNT 1-DH1 2480 -57.41 -20 Pass NVNT 2-DH1 2402 -57.15 -20 Pass NVNT 2-DH1 2480 -56.38 -20 Pass NVNT 3-DH1 2402 -57.75 -20 Pass NVNT 3-DH1 2480 -57.07 -20 Pass 27 Test Graphs Band Edge NVNT 1-DH1 2402MHz Ref Band Edge NVNT 1-DH1 2402MHz Emission 28 Band Edge NVNT 1-DH1 2480MHz Ref Band Edge NVNT 1-DH1 2480MHz Emission 29 Band Edge NVNT 2-DH1 2402MHz Ref Band Edge NVNT 2-DH1 2402MHz Emission 30 Band Edge NVNT 2-DH1 2480MHz Ref Band Edge NVNT 2-DH1 2480MHz Emission 31 Band Edge NVNT 3-DH1 2402MHz Ref Band Edge NVNT 3-DH1 2402MHz Emission 32 Band Edge NVNT 3-DH1 2480MHz Ref Band Edge NVNT 3-DH1 2480MHz Emission 33 Band Edge(Hopping) Condition Mode Frequency (MHz) Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH1 2402 -52.92 -20 Pass NVNT 1-DH1 2480 -49.62 -20 Pass NVNT 2-DH1 2402 -52.87 -20 Pass NVNT 2-DH1 2480 -49.04 -20 Pass NVNT 3-DH1 2402 -52.32 -20 Pass NVNT 3-DH1 2480 -49.83 -20 Pass 34 Test Graphs Band Edge(Hopping) NVNT 1-DH1 2402MHz Ref Band Edge(Hopping) NVNT 1-DH1 2402MHz Emission 35 Band Edge(Hopping) NVNT 1-DH1 2480MHz Ref Band Edge(Hopping) NVNT 1-DH1 2480MHz Emission 36 Band Edge(Hopping) NVNT 2-DH1 2402MHz Ref Band Edge(Hopping) NVNT 2-DH1 2402MHz Emission 37 Band Edge(Hopping) NVNT 2-DH1 2480MHz Ref Band Edge(Hopping) NVNT 2-DH1 2480MHz Emission 38 Band Edge(Hopping) NVNT 3-DH1 2402MHz Ref Band Edge(Hopping) NVNT 3-DH1 2402MHz Emission 39 Band Edge(Hopping) NVNT 3-DH1 2480MHz Ref Band Edge(Hopping) NVNT 3-DH1 2480MHz Emission 40 Conducted RF Spurious Emission Condition Mode Frequency (MHz) Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH1 2402 -40.36 -20 Pass NVNT 1-DH1 2441 -40.83 -20 Pass NVNT 1-DH1 2480 -38.83 -20 Pass NVNT 2-DH1 2402 -39.96 -20 Pass NVNT 2-DH1 2441 -41.13 -20 Pass NVNT 2-DH1 2480 -39.06 -20 Pass NVNT 3-DH1 2402 -40.51 -20 Pass NVNT 3-DH1 2441 -39.83 -20 Pass NVNT 3-DH1 2480 -38.98 -20 Pass 41 Test Graphs Tx. Spurious NVNT 1-DH1 2402MHz Ref Tx. Spurious NVNT 1-DH1 2402MHz Emission 42 Tx. Spurious NVNT 1-DH1 2441MHz Ref Tx. Spurious NVNT 1-DH1 2441MHz Emission 43 Tx. Spurious NVNT 1-DH1 2480MHz Ref Tx. Spurious NVNT 1-DH1 2480MHz Emission 44 Tx. Spurious NVNT 2-DH1 2402MHz Ref Tx. Spurious NVNT 2-DH1 2402MHz Emission 45 Tx. Spurious NVNT 2-DH1 2441MHz Ref Tx. Spurious NVNT 2-DH1 2441MHz Emission 46 Tx. Spurious NVNT 2-DH1 2480MHz Ref Tx. Spurious NVNT 2-DH1 2480MHz Emission 47 Tx. Spurious NVNT 3-DH1 2402MHz Ref Tx. Spurious NVNT 3-DH1 2402MHz Emission 48 Tx. Spurious NVNT 3-DH1 2441MHz Ref Tx. Spurious NVNT 3-DH1 2441MHz Emission 49 Tx. Spurious NVNT 3-DH1 2480MHz Ref Tx. Spurious NVNT 3-DH1 2480MHz Emission 50 Number of Hopping Channel Condition Mode Hopping Number Limit Verdict NVNT 1-DH1 79 15 Pass NVNT 2-DH1 79 15 Pass NVNT 3-DH1 79 15 Pass

2.4G-2.48G频段板载PIFA天线测试报告 2.4G-2.48GInvertedFAntennaSpecification SPECIFICATIONS Frequency（MHz）2400-2480 PeakGain（dBi）2.338 AverageGain（dBi）＞-5.5 VSWR＜3.2 Impedance（Ω）50Ω AntennaTypePlannarInvertedFAntennaonboard PolarizationLinear ManufactureZHUHAIJIELITECHNOLOGYCO.,LTD Address: No.333KexingRoad,NanpingSciencePark,XiangzhouDistrict, Zhuhai TestequipmentHWA-TECH AntennaPhoto&Length(mm) 天线无源S参数： AntennapassiveS-parameters: 驻波比（ VSWR ）、回波损耗（ ReturnLoss ）及史密斯圆图（ Smith ） 天线效率及增益： Antennaefficiencyandgain ： Frequency（MHz）Gain（dBi）Effciency（%）AverageGain（dBi）Efficiency（dB） 24002.33859.39%-2.915-2.263 24101.60349.11%-3.883-3.088 24201.29546.04%-4.014-3.369 24300.38836.89%-4.91-4.331 24400.18734.00%-5.276-4.685 24500.0231.71%-5.431-4.988 24600.50734.88%-5.02-4.575 24700.29131.89%-5.323-4.963 24800.42932.89%-5.195-4.83 Average0.7839.64%-4.66-4.12 Peak2.33859.39%-2.915-2.263 天线2400MHz2D-ThetaPattern 天线2400MHz2D-PhiPattern 2400MHz3D-TotalPattern