2BRD9-M25Bluetooth speaker

FCC Warnnin g: This e quip ment has b een tested and f ound to c ompl y wit h the limits f or a Class B digital device, pursuant t o part 15 of the FCC Rules. These li mit s are desig ned to pr ovidereasonabl e protec�on agai ns tharmful interference in a resid en�al in stalla�on. This equi pment generates, uses and can radi ater adiofrequencyenergy and, if not in stalledand us edin ac cordance with the in struc�ons, mayc auseharmfulinterferencetoradi ocommunic a�ons. However, there isnoguar anteetha� nterferencewill not occ ur inapar�cul ar in stalla�on.Ifthi s equipment doescauseharmfulinterference to radio or televisio n recep�on, which can be determin ed by turning the equipmentoffandon,theus erisencour agedtotry tocorrectthe interferenceby oneor more of thefollowing measures: •Reorient o r relocate the receiving antenna. •In cr ease the s epara�on bet ween the equipment and receiver . •Connect the equipment into an out let on a cir cuit different from that to which the recei ver is connected. • Consult the dealer or an ex perienced radio /TV technic ia n for help. Cau�on:Any changesor modifica�onstothi s device not expli citlyapprovedbymanuf ac tur er coul d void y our authorit y to operate thi s e quip ment. This device compl ieswith part 15 of theFCCRules.Opera�on issubjectto thefollowing two condi�ons: (1)Thisdevicemaynot causeharmfulinterference,and(2) thi sdevicemus t ac ceptany interference recei ved, incl udin g interference that may cause undesired opera�on. Thisequipment compl ieswithFCCradia�onexposur eli mit ssetforthfor anuncontroll ed envi ro nment. This equipment shoul dbein stalledandoperatedwithmin imumdi stance0cm between the radia tor and y our body.

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 6 Product Name: Bluetooth speaker Model No.: M25 EUT Constructional Details External Photo Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 6 Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 6 Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 6 Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 5 of 6 Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 6 of 6 ------End------

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2BRD9-M25

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 3 Product Name: Bluetooth speaker Model No.: M25 EUT Constructional Details Internal Photo Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 3 ANTENNA Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 3 ------End------

Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 1 of 8 RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : HTT202608335F02 2BRD9-M25 Compiled by ( position+printed name+signature) . : File administrators Heber He Supervised by ( position+printed name+signature) . : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) . : RF Manager Kevin Yang Date of issue .................................... : Aug. 17, 2026 Testing Laboratory Name .............. : Shenzhen HTT Technology Co.,Ltd. Address ............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ............................ : YUEHANG INDUSTRIAL LIMITED Address ............................................ : RM 1904A19/F.LUCKY COMMERCIAL CENTRENO.103 DESVOEUX ROAD WEST, SHEUNG WAN Central and Western District, Hong Kong Island, Hong Kong,China Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen HTT 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 HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT 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 ..................... : Bluetooth speaker Manufacturer .................................... : YUEHANG INDUSTRIAL LIMITED Trade Mark ........................................ N/A Model/Type reference ...................... : M25 Rating ............................................... : DC 3.7V From Battery and DC 5V From External Circuit Result ............................................... : PASS Report No.: HTT202608335F02 Page 2 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 8 T E S T R E P O R T Equipment under Test : Bluetooth speaker Model /Type : M25 Listed Models : N/A Applicant : YUEHANG INDUSTRIAL LIMITED Address : RM 1904A19/F.LUCKY COMMERCIAL CENTRENO.103 DESVOEUX ROAD WEST, SHEUNG WAN Central and Western District, Hong Kong Island, Hong Kong,China Manufacturer : YUEHANG INDUSTRIAL LIMITED Address : RM 1904A19/F.LUCKY COMMERCIAL CENTRENO.103 DESVOEUX ROAD WEST, SHEUNG WAN Central and Western District, Hong Kong Island, Hong Kong,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.: HTT202608335F02 Page 3 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 8 Contents 1 T E S T S T A N D A R D S ................................................... 4 2 S U M M A R Y .............................................................. 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Special Accessories 5 2.4 Modifications 5 3 T E S T E N V I R O N M E N T 6 3.1 Address of the test laboratory 6 3.2 Test Facility 6 3.3 Statement of the measurement uncertainty 6 4 T E S T L I M I T 7 4.1 Requirement 7 4.2 Conducted Power Results 8 4.3 Manufacturing tolerance 8 4.4 Evaluation Result 8 4.5 Simultaneous Transmission for SAR Exclusion 8 5 C O N C L U S I O N 8 Report No.: HTT202608335F02 Page 4 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 4 of 8 1 T E S T S T A N D A R D S The tests were performed according to following standards: ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device, RF Exposure, Equipment Authorization Procedures. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1093: Radiofrequency radiation exposure evaluation: portable devices Report No.: HTT202608335F02 Page 5 of 8 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 5 of 8 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Aug. 10, 2026 Testing commenced on : Aug. 10, 2026 Testing concluded on : Aug. 17, 2026 2.2 Product Description Product description: Bluetooth speaker Model/Type reference: M25 Power supply: DC 3.7V From Battery and DC 5V From External Circuit Adapter Information (Auxiliary test provided by the lab): Model: GS-0500200 Input: AC100-240V, 50/60Hz, 0.3A max Output: DC 5V, 2A Testing sample ID： HTT202608335-1# (Engineer sample) HTT202608335-2# (Normal sample) Hardware version: / Software version: / Bluetooth : Supported Type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: PCB Antenna Antenna gain: -0.58 dBi 2.3 Special Accessories The fo…

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1 Appendix RF Test Data for BT Company: : YUEHANG INDUSTRIAL LIMITED EUT : Bluetooth speaker FCC ID: : 2BRD9-M25 Model Number : M25 Report No. : HTT202608335F01 Reviewed By : Heber He 2 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) GFSK SISO 2402 DH5 2.894 10.000 28.94 5.39 0.02 2441 DH5 2.893 10.000 28.93 5.39 0.02 2480 DH5 2.894 10.000 28.94 5.39 0.02 Pi/4DQPSK SISO 2402 2DH5 2.896 9.996 28.97 5.38 0.02 2441 2DH5 2.897 10.000 28.97 5.38 0.03 2480 2DH5 2.900 10.000 29.00 5.38 0.00 8DPSK SISO 2402 3DH5 2.900 10.000 29.00 5.38 0.00 2441 3DH5 2.897 9.997 28.98 5.38 0.02 2480 3DH5 2.900 10.000 29.00 5.38 0.00 3 1.2 Test Graph 1.2.1 Ant1 GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 4 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 5 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 6 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 7 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 8 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.885 / Pass 2441 DH5 1 0.891 / Pass 2480 DH5 1 0.894 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.201 / Pass 2441 2DH5 1 1.188 / Pass 2480 2DH5 1 1.197 / Pass 8DPSK SISO 2402 3DH5 1 1.181 / Pass 2441 3DH5 1 1.184 / Pass 2480 3DH5 1 1.191 / Pass 2.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.970 / Pass 2441 DH5 1 0.887 / Pass 2480 DH5 1 0.914 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.281 / Pass 2441 2DH5 1 1.271 / Pass 2480 2DH5 1 1.264 / Pass 8DPSK SISO 2402 3DH5 1 1.254 / Pass 2441 3DH5 1 1.276 / Pass 2480 3DH5 1 1.254 / Pass 9 2.2 Test Graph 2.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 10 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 11 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 12 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 13 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 14 2.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 15 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 16 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 17 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 18 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 19 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 1.68 <=30 Pass 2441 DH5 1.67 <=30 Pass 2480 DH5 1.39 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 1.78 <=20.97 Pass 2441 2DH5 1.76 <=20.97 Pass 2480 2DH5 1.44 <=20.97 Pass 8DPSK SISO 2402 3DH5 1.77 <=20.97 Pass 2441 3DH5 1.76 <=20.97 Pass 2480 3DH5 1.46 <=20.97 Pass 20 4. Carrier Frequency Separation 4.1 Test Result 4.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 1.010 0.970 >=0.97 Pass Pi/4DQPSK SISO HOPP 2DH5 0.900 1.281 >=0.854 Pass 8DPSK SISO HOPP 3DH5 1.025 1.276 >=0.851 Pass 21 4.2 Test Graph 4.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 22 8DPSK_3DH5_HOPP_Ant1_NTNV 23 5. Number of Hopping Frequencies 5.1 Test Result 5.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass Pi/4DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass 24 5.2 Test Graph 5.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 25 8DPSK_3DH5_HOPP_Ant1_NTNV 26 6. Time of Occupancy (Dwell Time) 6.1 Test Result 6.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.378 31.600 32 12.096 <=400 Pass DH3 1.650 31.600 43 70.950 <=400 Pass DH5 2.898 31.600 33 95.634 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.408 31.600 49 19.992 <=400 Pass 2DH3 1.660 31.600 45 74.700 <=400 Pass 2DH5 2.908 31.600 41 119.228 <=400 Pass 8DPSK SISO HOPP 3DH1 0.402 31.600 44 17.688 <=400 Pass 3DH3 1.656 31.600 39 64.584 <=400 Pass 3DH5 2.902 31.600 47 136.394 <=400 Pass 27 6.2 Test Graph 6.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV 28 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV 29 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 30 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV 31 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV 32 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 33 8DPSK_3DH1_HOPP_Ant1_NTNV 8DPSK_3DH1_HOPP_Ant1_NTNV 34 8DPSK_3DH3_HOPP_Ant1_NTNV 8DPSK_3DH3_HOPP_Ant1_NTNV 35 8DPSK_3DH5_HOPP_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV 36 7. Unwanted Emissions In Non-restricted Frequency Bands 7.1 Test Result 7.1.1 Ref Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) GFSK SISO 2402 DH5 1 1.18 2441 DH5 1 1.12 2480 DH5 1 0.64 HOPP DH5 1 1.33 1.33 Pi/4DQPSK SISO 2402 2DH5 1 0.60 2441 2DH5 1 1.14 2480 2DH5 1 0.99 HOPP 2DH5 1 0.93 0.93 8DPSK SISO 2402 3DH5 1 0.52 2441 3DH5 1 0.70 2480 3DH5 1 0.82 HOPP 3DH5 1 1.18 1.18 7.1.2 CSE Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) Limit (dBm) Verdict GFSK SISO 2402 DH5 1 1.18 -18.82 Pass 2441 DH5 1 1.12 -18.88 Pass 2480 DH5 1 0.64 -19.36 Pass HOPP DH5 1 1.33 -18.67 Pass 1.33 -18.67 Pass Pi/4DQPSK SISO 2402 2DH5 1 0.60 -19.40 Pass 2441 2DH5 1 1.14 -18.86 Pass 2480 2DH5 1 0.99 -19.01 Pass HOPP 2DH5 1 0.93 -19.07 Pass 0.93 -19.07 Pass 8DPSK SISO 2402 3DH5 1 0.52 -19.48 Pass 2441 3DH5 1 0.70 -19.30 Pass 2480 3DH5 1 0.82 -19.18 Pass HOPP 3DH5 1 1.18 -18.82 Pass 1.18 -18.82 Pass 37 7.2 Test Graph 7.2.1 Ref GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 38 GFSK_DH5_HCH_2480MHz_Ant1_NTNV GFSK_DH5_HOPP_Ant1…

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Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. ........................................... : HTT202608335F01 2BRD9-M25 Compiled by ( position+printed name+signature) . : File administrators Heber He Supervised by ( position+printed name+signature) . : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) . : RF Manager Kevin Yang Date of issue .................................... : Aug. 17, 2026 Testing Laboratory Name .............. : Shenzhen HTT Technology Co.,Ltd. Address ............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ........................... : YUEHANG INDUSTRIAL LIMITED Address ............................................ : RM 1904A19/F.LUCKY COMMERCIAL CENTRENO.103 DESVOEUX ROAD WEST, SHEUNG WAN Central and Western District, Hong Kong Island, Hong Kong,China Test specification ........................... : Standard ........................................... : FCC Part 15.247 Shenzhen HTT 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 HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT 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 ..................... : Bluetooth speaker Trade Mark ....................................... : N/A Manufacturer .................................. : YUEHANG INDUSTRIAL LIMITED Model/Type reference ...................... : M25 Listed Models ................................... : N/A Modulation ....................................... : GFSK, Π/4DQPSK, 8DPSK Frequency ......................................... From 2402MHz to 2480MHz Ratings ............................................. : DC 3.7V From Battery and DC 5V From External Circuit Result ............................................... : PASS Report No.: HTT202608335F01 Page 2 of 40 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China T E S T R E P O R T Equipment under Test : Bluetooth speaker Model /Type : M25 Listed Models : N/A Applicant : YUEHANG INDUSTRIAL LIMITED Address : RM 1904A19/F.LUCKY COMMERCIAL CENTRENO.103 DESVOEUX ROAD WEST, SHEUNG WAN Central and Western District, Hong Kong Island, Hong Kong,China Manufacturer : YUEHANG INDUSTRIAL LIMITED Address : RM 1904A19/F.LUCKY COMMERCIAL CENTRENO.103 DESVOEUX ROAD WEST, SHEUNG WAN Central and Western District, Hong Kong Island, Hong Kong,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.: HTT202608335F01 Page 3 of 40 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China 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 .................................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) .............................................................................................................. 6 2.9 Modifications ........................................................................................................................................... 6 3 TEST ENVIRONMENT ...................................................................................................................................... 7 3.1 Address of the test laboratory ................................................................................................................. 7 3.2 Test Facility ............................................................................................................................................. 7 3.3 Environmental conditions .........................................................................................................…

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name2.4G ANT Center Frequency HorizontalVertical 2400MHz2500MHz 2400MHz2500MHz -1.26-0.76-0.58-5.25-2.46 MAX. Gai -1.58 n Polarizatio -0.58dBi nHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length38.20mm Manufacture Tec ChengduCSCTMicroelectronicsCo.,Ltd. hnolChengduCSCTMicroelectronicsCo., Ltd.ogyCo.,Ltd.ChengduCSCT-MICRO TechnologyCo.,Ltd. Antenna Photo & Length (mm) Address 2nd Floor, No. 42 Sanfeng Road, Sanzhong Village, Qingxi Town, Dongguan City 2450MHz2450MHz Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dBi) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dBi) MaxMinAvg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 2 Product Name: Bluetooth speaker Model No.: M25 Test Setup Photo Radiated Emission Report No.: HTT202608335 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 2 Conducted Emission RF Test ------End------