2A3UZ-SFQ18Sound Spot II

User Guide Please download the user guide here: Sound Spot II 1 Contents Getting to know Sound Spot II 1 USB Cable Sound Spot II Quick Start Guide and Safety Leaflet 3060120 5 612 4321 7 8 9 10 11 6 Sleep Timer Indicators 7 Ambient Light 9 Sleep Timer 2 Next 4 Previous 1 Power ON OFF 3 Play Pause 5 Nature Sound Music Source 11 Bluetooth Pairing 12 Microphone 10 Volume 8 Volume POWER INPUT 131415 16 17 18 2 13 Bass Radiator 14 Power Input Port 15 Ambient Light 16 USB-C Charging Output Port 17 Flash Drive USB Port 18 AUX IN Port 3060120 Charging your Sound Spot II 3 Important：Choose the right USB-PD adaptor (not supplied) The Sound Spot II is designed to work with a 20W USB-PD (Power Delivery) power adaptor for its functionality and performance. Please make sure the right PD adaptor is chosen before plugging in for charging. The PD adaptor output rating should support 9V / 2.22A (or above) for proper operation. The Sound Spot II would not charge or power up if a “non-PD” type USB-C power adaptor is connected. 1) Connect your Sound Spot II with the supplied USB cable to your PD adaptor for charging at the back of the unit. NOTE: The supplied USB cable is ONLY for connection to the PD power adaptor. Do not use the supplied USB cable for charging iPhone 15. For charging iPhone 15, please make sure to use the original iPhone15 USB cable to avoid damage or malfunction. 2) The power indicator will flash slowly to indicate charging is in progress when the unit is powered o in standby mode. IndicatorCharging status Slow Flash (White)Charging Stop Flash (No Light)Fully Charged NOTE: Some PD power adaptor with multiple output ports may have insucient shared output power while charging multiple devices at the same time. In case of having charging problem, please try to disconnect some devices on your multiple-port power adaptor. Power adapter Output: 5V 3A 9V 2.22A 12V 1.67A 20W VI USB Cable ( Supplied ) ( Not supplied ) You can simply check the battery level of your Sound Spot II by observing the color of the power indicator when the unit is switched on. Mode Indicator ColorBattery level Power adaptor connected Press the POWER button to turn the speaker on or o. Press the BLUETOOTH button to pair your mobile device. Press the LIGHT button to control the ambient mood light. Press the SLEEP button to activate the sleep timer. Plug your mobile device to the side USB-C port for charging. Press the NATURE SOUND | MUSIC MODE button to select nature sound, music playback from your USB flash drive or the AUX-IN port. WhiteAC Powered Battery-powered Green Orange Red 50 – 100% 20 – 49% < 20% (need to charge) Checking Battery Level Using Sound Spot II - Quick Start 4 3060120 Press the playback control buttons ( PLAY | PAUSE / PREVIOUS / NEXT ) to control music playback and volume up/down ( / ) buttons to control playback volume. + - 5 3060120 Listening with Bluetooth 1) Press the POWER button to turn on the unit first or Press the BLUETOOTH button directly to start pairing. The Bluetooth indicator will flash rapidly. 2) On your device, open your Bluetooth setting menu to detect available Bluetooth devices for connection. Once the Sound Spot II is detected, select it from the list to connect. 3) To break the Bluetooth connection or to pair another new device, press and hold BLUETOOTH button for 2 seconds to disconnect the currently paired device. The Bluetooth indicator will flash rapidly again ready for paring a new device. Bluetooth Pairing 30601203060120 Sound Spot II 321 2 Seconds 3060120 1) After pairing, either use the playback controls buttons (PLAY |PAUSE / PREVIOUS / NEXT ) to control the music playback. 2) You can adjust the volume level by using the volume up/down (+ / -) buttons or adjusting volume on your paired device. Playing Music via Bluetooth 3060120 Listening to Nature Sound 1) Press the NATURE SOUND | MUSIC MODE button to toggle to nature sound mode. 2) Press the PREV < or NEXT > button to select your desired nature sound eects. 3) Press the PLAY | PAUSE button to stop / resume playback. 3060120 3060120 6 1) PICKUP CALL: After pairing your mobile phone, simply pick up the incoming call by short pressing the PLAY / PAUSE button. 2) END CALL: Short press the PLAY | PAUSE button again to end call. 3) REJECT CALL: Long press the PLAY | PAUSE button to reject incoming call. NOTE: The eective pickup range for the personal speakerphone feature is within 1 m (3 ft) from the top of the unit for the best voice quality. NOTE: The DSS mode supports bluetooth music playback in stereo mode after connection. Other music sources (Nature Sound, AUX In and Flash Drive) are not supported in DSS mode. Please disconnect DSS mode first for playback of other music sources. You can pair up two units of Sound Spot II in True Wireless Stereo (TWS) mode for music enjoyment. 1) Power on and switch to the Bluetooth mode on both Sound Spot II, but DO NOT pair with your mobile device. 2) Long press the PLAY button for on the first Sound Spot II for 3 seconds to active the DSS mode. You will hear the DSS connection tone after DSS connection. The first Sound Spot II will be the LEFT channel. 3) You can NOW pair your Bluetooth mobile device as usual for music playback. 4) To cancel the DSS mode, long press the PLAY button for 3 seconds on either speaker. You will hear the DSS disconnection tone. The first Sound Spot II will continue playback after the DSS disconnection. The personal speakerphone feature allows you to receive and control phone call on your paired mobile phone. Using Speakerphone Using DSS (Dual Streaming System) for stereo playback 3060120 Listening with USB Flash Drive 1) Plug your USB flash drive on the side USB music port. 1) Sound Spot II supports USB flash drive size up to 64GB. The supported file formats are MP3 and WAV. MP3 (44.1kHz, up to 320kbps) & WAV (8/16/24bit, LPCM 44.1kHz). 2) Do not plug in any power adaptor or power source to this USB flash drive port to avoid damage. Note: 2) Press the …

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Twine Company Limited Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 1, 2024 FCC ID: 2A3UZ-SFQ18 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Twine Company Limited 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. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Twine Company Limited 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. Applicant: Twine Company Limited Address: FLAT/RM 1506 15/F WORKINGPORT COMMERCIAL BUILDING 3 HAU FOOK STREET TSIM SHA TSUI KLN HONG KONG Contact Person: Michael Chui / Manager Tel.: +852 2369 6878 Email: [email protected] Sincerely, Signature:

Inverted F Antenna Specification Summary CEPS TNA METI TNA G4.2 emaN ledoM lacitreV latnoziroH 2400MHz 2450MHz2500MHz2400MHz2450MHz 2500MHz Center Frequency -0.58 Bd85.0- niaG .XAM lacitreV dna latnoziroH noitaziraloP Azimuth Beam Pattern Omni-directional mhO 05 ecnadepmI mm02.83 htgneL annetnA Manufacture ZHUHAI JIE LI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) mm02.83 Horiz ontal:2400 MHz 2450 MHz 2500 MHz Power ( dBm) Max: 0 Min: -40 Scale: 5/div Gain(d B) Frequency (MHz) Max Min Avg Vertical:2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(d B) Frequency (MHz) Max Min Avg ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Twine Company Limited Date：2024-07-01 Product Model Number: SFQ-18 FCC ID：2A3UZ-SFQ18 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following: • Testing • Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Michael Chui Title: Manager Email: [email protected] Telephone: +852 2369 6878 On behalf of: Twine Company Limited

Twine Company Limited Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 1, 2024 Subject; Request for Confidentiality FCC ID: 2A3UZ-SFQ18 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. 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. Sincerely, Signature: Name: Michael Chui Title: Manager

Report No.: BTEK240428001AE Page: 1 of 4 Appendix EUT Photos for BTEK240428001AE Report No.: BTEK240428001AE Page: 2 of 4 EUT Constructional Details (EUT Photos) EUT View 1 EUT View 2 EUT View 3 Report No.: BTEK240428001AE Page: 3 of 4 EUT View 4 EUT View 5 EUT View 6 Report No.: BTEK240428001AE Page: 4 of 4 EUT View 7 EUT View 8 EUT View 9

Report No.: BTEK240428001AE Page: 1 of 1 LABEL AND LOCATION

Report No.: BTEK240428001AE Page: 1 of 5 Appendix EUT Photos for BTEK240428001AE Report No.: BTEK240428001AE Page: 2 of 5 EUT Constructional Details (EUT Photos) EUT View 10 EUT View 11 EUT View 12 Report No.: BTEK240428001AE Page: 3 of 5 EUT View 13 EUT View 14 EUT View 15 ANT Report No.: BTEK240428001AE Page: 4 of 5 EUT View 16 EUT View 17 EUT View 18 Report No.: BTEK240428001AE Page: 5 of 5 EUT View 19

Report No.: BTEK240428001AE002 Page: 1 of 6 TEST REPORT Application No.: BTEK240428001AE Applicant: Twine Company Limited Address of Applicant: FLAT/RM 1506 15/F WORKINGPORT COMMERCIAL BUILDING 3 HAU FOOK STREET TSIM SHA TSUI KLN HONG KONG Manufacturer: Betrue Technology Company Ltd Address of Manufacturer: D07, 5/F, King Yip Factory Building, 59 King Yip Street, Kwun Tong, Kowloon, Hong Kong Equipment Under Test (EUT): EUT Name: Sound Spot II Test Model.: SFQ-18 Adding Model(s): / Trade Mark: SOUNDFREAQ FCC ID: 2A3UZ-SFQ18 Standard(s) : 47 CFR Part 2 Subpart J Section 2.1093 Date of Receipt: 2024-05-08 Date of Test: 2024-05-08 to 2024-06-03 Date of Issue: 2024-06-04 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Lion Cai EMC Laboratory Manager Report No.: BTEK240428001AE002 Page: 2 of 6 Revision Record Version Chapter Date Modifier Remark V0 2024-06-04 Original Authorized for issue by: David Zhuang/Project Engineer Elma Yang/Reviewer Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Report No.: BTEK240428001AE002 Page: 3 of 6 2 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Contents .................................................................................................................................................... 3 3 General Information .................................................................................................................................. 4 3.1 Details of E.U.T. ................................................................................................................................. 4 3.2 Description of Support Units .............................................................................................................. 4 3.3 Test Location ...................................................................................................................................... 5 3.4 Deviation from Standards ................................................................................................................... 5 3.5 Abnormalities from Standard Conditions ........................................................................................... 5 4 Test Requirement ........................................................................................................................................... 6 4.1Assessment Result..................................................................................................................................... 6 Report No.: BTEK240428001AE002 Page: 4 of 6 3 General Information 3.1 Details of E.U.T. Power supply: Battery/Cell model: UTL18650 3.7V 4000mAh Adapter:GS-W20A0938C Input:100-240V-50/60Hz,0.6A Output:5V3A;9V2.2A or 12V 1.67A Frequency Range: 2402MHz to 2480MHz Bluetooth Version: V5.3 This test report is for classic mode. Spectrum Spread Technology: Frequency Hopping Spread Spectrum(FHSS) Hopping Channel Type: Adaptive Frequency Hopping systems Modulation Type: GFSK, π/4DQPSK Number of Channels: 79 Antenna Type: PCB Antenna Antenna Gain: -0.58 dBi Hardware Version BTS220_LED_V1.2 Software and Firmware Version U59_OTS220_AC6965E4_V2 Sample No.: BTEK240428001AE-01 Remark: The information in this section is provided by the applicant or manufacturer, BANTEK is not liable to the accuracy, suitability, reliability or/and integrity of the information. Model No.: Sound Spot II, SFQ-18 Only the model Sound Spot II was tested. According to the declaration from the applicant, the electrical circuit design, layout, components used, internal wiring and functions of other models are identical for the above models, with only difference on Model No. 3.2 Description of Support Units Description Manufacturer Model No. Serial No. Adapter Shenzhen good-she technology Co.,Ltd. GS-W20A0938C / Report No.: BTEK240428001AE002 Page: 5 of 6 3.3 Test Location All tests were performed at: Shenzhen BANTEK Testing Co., Ltd., A5&A6, Building B1&B2, No.45 Gangtou Road, Bogang Community, Shajing Street, Bao'an District, Shenzhen, Guangdong, China 518103 Tel:0755-2334 4200 Fax: 0755-2334 4200 FCC Registration Number: 264293 Designation Number: CN1356 No tests were sub-contracted. 3.4 Deviation from Standards None 3.5 Abnormalities from Standard Conditions None Report No.: BTEK240428001AE002 Page: 6 of 6 4 Test Requirement KDB447498 D01 General RF Exposure Guidance v06, Clause 4.3.1(b) [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] • [√f(GHz)] ≤ 3.0 Where -f(GHz) is the RF channel transmit frequency in GHz -Power and distance are rounded to the nearest mW and mm before calculation -The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. 4.1Assessment Result Passed Not Applicable Type Frequency (MHz) Conducted Power (dBm) Maximum Tune-up (dBm) Calculating data Limit Result BT Classic 2402 -3.21 -3.0 0.15 3.0 Pass Note: The exposure evaluation safety distance is 5mm. - End of the Report -

Page 1 of 34 Report No.: BTEK240428001AE001 Page: 1 of 34 Appendix BT Test Data for BTEK240428001AE Page 2 of 34 Report No.: BTEK240428001AE001 Page: 2 of 34 1. -20dB Bandwidth Condition Antenna Modulation Frequency (MHz) -20dB BW(MHz) if larger than CFS NVNT ANT1 1-DH5 2402.00 0.959 No NVNT ANT1 1-DH5 2441.00 0.958 No NVNT ANT1 1-DH5 2480.00 0.953 No NVNT ANT1 2-DH5 2402.00 1.284 Yes NVNT ANT1 2-DH5 2441.00 1.286 Yes NVNT ANT1 2-DH5 2480.00 1.284 Yes -20dB_Bandwidth_NVNT_ANT1_1-DH5_2402 -20dB_Bandwidth_NVNT_ANT1_1-DH5_2441 -20dB_Bandwidth_NVNT_ANT1_1-DH5_2480 Page 3 of 34 Report No.: BTEK240428001AE001 Page: 3 of 34 -20dB_Bandwidth_NVNT_ANT1_2-DH5_2402 -20dB_Bandwidth_NVNT_ANT1_2-DH5_2441 Page 4 of 34 Report No.: BTEK240428001AE001 Page: 4 of 34 -20dB_Bandwidth_NVNT_ANT1_2-DH5_2480 Page 5 of 34 Report No.: BTEK240428001AE001 Page: 5 of 34 2. 99% Occupied Bandwidth Condition Antenna Modulation Frequency (MHz) 99%%BW(MHz) NVNT ANT1 1-DH5 2402.00 0.860 NVNT ANT1 1-DH5 2441.00 0.860 NVNT ANT1 1-DH5 2480.00 0.858 NVNT ANT1 2-DH5 2402.00 1.172 NVNT ANT1 2-DH5 2441.00 1.173 NVNT ANT1 2-DH5 2480.00 1.175 99%_Occupied_Bandwidth_NVNT_ANT1_1-DH5_2402 99%_Occupied_Bandwidth_NVNT_ANT1_1-DH5_2441 99%_Occupied_Bandwidth_NVNT_ANT1_1-DH5_2480 Page 6 of 34 Report No.: BTEK240428001AE001 Page: 6 of 34 99%_Occupied_Bandwidth_NVNT_ANT1_2-DH5_2402 99%_Occupied_Bandwidth_NVNT_ANT1_2-DH5_2441 Page 7 of 34 Report No.: BTEK240428001AE001 Page: 7 of 34 99%_Occupied_Bandwidth_NVNT_ANT1_2-DH5_2480 Page 8 of 34 Report No.: BTEK240428001AE001 Page: 8 of 34 3. Peak Output Power Condition Antenna Modulation Frequency (MHz) Max. Conducted Power(dBm) Max. Conducted Power(mW) Limit(mW) Result NVNT ANT1 1-DH5 2402.00 -4.21 0.38 1000 Pass NVNT ANT1 1-DH5 2441.00 -4.25 0.38 1000 Pass NVNT ANT1 1-DH5 2480.00 -5.26 0.30 1000 Pass NVNT ANT1 2-DH5 2402.00 -3.21 0.48 125 Pass NVNT ANT1 2-DH5 2441.00 -3.27 0.47 125 Pass NVNT ANT1 2-DH5 2480.00 -4.19 0.38 125 Pass Peak_Output_Power_NVNT_ANT1_1-DH5_2402 Peak_Output_Power_NVNT_ANT1_1-DH5_2441 Peak_Output_Power_NVNT_ANT1_1-DH5_2480 Page 9 of 34 Report No.: BTEK240428001AE001 Page: 9 of 34 Peak_Output_Power_NVNT_ANT1_2-DH5_2402 Peak_Output_Power_NVNT_ANT1_2-DH5_2441 Page 10 of 34 Report No.: BTEK240428001AE001 Page: 10 of 34 Peak_Output_Power_NVNT_ANT1_2-DH5_2480 Page 11 of 34 Report No.: BTEK240428001AE001 Page: 11 of 34 4. Spurious Emissions Condition Antenna Modulation TX Mode Spurious MAX.Value(dBm) Limit Result NVNT ANT1 1-DH5 2402.00 -44.654 -24.538 Pass NVNT ANT1 1-DH5 2441.00 -45.683 -24.591 Pass NVNT ANT1 1-DH5 2480.00 -46.027 -25.528 Pass NVNT ANT1 2-DH5 2402.00 -44.523 -24.378 Pass NVNT ANT1 2-DH5 2441.00 -45.835 -24.432 Pass NVNT ANT1 2-DH5 2480.00 -45.856 -25.334 Pass 1_Reference_Level_NVNT_ANT1_1-DH5_2402 2_Spurious_Emissions_NVNT_ANT1_1-DH5_2402 1_Reference_Level_NVNT_ANT1_1-DH5_2441 Page 12 of 34 Report No.: BTEK240428001AE001 Page: 12 of 34 2_Spurious_Emissions_NVNT_ANT1_1-DH5_2441 1_Reference_Level_NVNT_ANT1_1-DH5_2480 Page 13 of 34 Report No.: BTEK240428001AE001 Page: 13 of 34 2_Spurious_Emissions_NVNT_ANT1_1-DH5_2480 1_Reference_Level_NVNT_ANT1_2-DH5_2402 Page 14 of 34 Report No.: BTEK240428001AE001 Page: 14 of 34 2_Spurious_Emissions_NVNT_ANT1_2-DH5_2402 1_Reference_Level_NVNT_ANT1_2-DH5_2441 Page 15 of 34 Report No.: BTEK240428001AE001 Page: 15 of 34 2_Spurious_Emissions_NVNT_ANT1_2-DH5_2441 1_Reference_Level_NVNT_ANT1_2-DH5_2480 Page 16 of 34 Report No.: BTEK240428001AE001 Page: 16 of 34 2_Spurious_Emissions_NVNT_ANT1_2-DH5_2480 Page 17 of 34 Report No.: BTEK240428001AE001 Page: 17 of 34 5. Bandedge Condition Antenna Modulation TX Mode Bandedge MAX.Value Limit Result NVNT ANT1 1-DH5 2402.00 -44.337 -24.538 Pass NVNT ANT1 1-DH5 Hopping_LCH -45.333 -24.262 Pass NVNT ANT1 1-DH5 2480.00 -62.056 -25.528 Pass NVNT ANT1 1-DH5 Hopping_HCH -58.602 -24.836 Pass NVNT ANT1 2-DH5 2402.00 -44.307 -24.378 Pass NVNT ANT1 2-DH5 Hopping_LCH -45.309 -24.290 Pass NVNT ANT1 2-DH5 2480.00 -62.322 -25.334 Pass NVNT ANT1 2-DH5 Hopping_HCH -57.361 -24.592 Pass 1_Reference_Level_NVNT_ANT1_1-DH5_2402 2_Bandedge_NVNT_ANT1_1-DH5_2402 1_Reference_Level_Hopping_NVNT_ANT1_1-DH5_Hopping Page 18 of 34 Report No.: BTEK240428001AE001 Page: 18 of 34 2_Band_Edge_(Hopping)_NVNT_ANT1_1-DH5_Hopping 1_Reference_Level_NVNT_ANT1_1-DH5_2480 Page 19 of 34 Report No.: BTEK240428001AE001 Page: 19 of 34 2_Bandedge_NVNT_ANT1_1-DH5_2480 1_Reference_Level_Hopping_NVNT_ANT1_1-DH5_Hopping Page 20 of 34 Report No.: BTEK240428001AE001 Page: 20 of 34 2_Band_Edge_(Hopping)_NVNT_ANT1_1-DH5_Hopping 1_Reference_Level_NVNT_ANT1_2-DH5_2402 Page 21 of 34 Report No.: BTEK240428001AE001 Page: 21 of 34 2_Bandedge_NVNT_ANT1_2-DH5_2402 1_Reference_Level_Hopping_NVNT_ANT1_2-DH5_Hopping Page 22 of 34 Report No.: BTEK240428001AE001 Page: 22 of 34 2_Band_Edge_(Hopping)_NVNT_ANT1_2-DH5_Hopping 1_Reference_Level_NVNT_ANT1_2-DH5_2480 Page 23 of 34 Report No.: BTEK240428001AE001 Page: 23 of 34 2_Bandedge_NVNT_ANT1_2-DH5_2480 1_Reference_Level_Hopping_NVNT_ANT1_2-DH5_Hopping Page 24 of 34 Report No.: BTEK240428001AE001 Page: 24 of 34 2_Band_Edge_(Hopping)_NVNT_ANT1_2-DH5_Hopping Page 25 of 34 Report No.: BTEK240428001AE001 Page: 25 of 34 6. Carrier Frequencies Separation (Hopping) Condition Antenna Modulation Frequency(MHz) Hopping NO.0 (MHz) Hopping NO.1 (MHz) Carrier Frequencies Separation(MHz) Limit(MHz) Result NVNT ANT1 1-DH5 2402.00 2402.074 2403.160 1.09 0.959 Pass NVNT ANT1 1-DH5 2441.00 2441.059 2442.175 1.12 0.958 Pass NVNT ANT1 1-DH5 2480.00 2478.855 2480.007 1.15 0.953 Pass NVNT ANT1 2-DH5 2402.00 2401.996 2402.995 1.00 0.856 Pass NVNT ANT1 2-DH5 2441.00 2440.858 2441.857 1.00 0.857 Pass NVNT ANT1 2-DH5 2480.00 2478.858 2479.851 0.99 0.856 Pass Carrier_Frequencies_Separation_(Hopping)_NVNT_ANT1_1-DH5_Hopping Carrier_Frequencies_Separation_(Hopping)_NVNT_ANT1_1-DH5_Hopping Carrier_Frequencies_Separation_(Hopping)_NVNT_ANT1_1-DH5_Hopping Page 26 of 34 Report No.: BTEK240428001AE001 Page: 26 of 34 Carrier_Frequencies_Separation_(Ho…

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Report No.: BTEK240428001AE001 Page: 1 of 34 TEST REPORT Application No.: BTEK240428001AE Applicant: Twine Company Limited Address of Applicant: FLAT/RM 1506 15/F WORKINGPORT COMMERCIAL BUILDING 3 HAU FOOK STREET TSIM SHA TSUI KLN HONG KONG Manufacturer: Betrue Technology Company Ltd Address of Manufacturer: D07, 5/F, King Yip Factory Building, 59 King Yip Street, Kwun Tong, Kowloon, Hong Kong Equipment Under Test (EUT): EUT Name: Sound Spot II Test Model.: SFQ-18 Adding Model(s): / Trade Mark: SOUNDFREAQ FCC ID: 2A3UZ-SFQ18 Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2024-05-08 Date of Test: 2024-05-08 to 2024-06-03 Date of Issue: 2024-06-04 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Lion Cai/ Approved & Authorized EMC Laboratory Manager Report No.: BTEK240428001AE001 Page: 2 of 34 Revision Record Version Chapter Date Modifier Remark V0 2024-06-04 Original Authorized for issue by: David Zhuang/Project Engineer Elma Yang/Reviewer Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Report No.: BTEK240428001AE001 Page: 3 of 34 2 Test Summary Radio Spectrum Technical Requirement Standard Item Method Requirement Result 47 CFR Part 15, Subpart C 15.247 Antenna Requirement N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Other requirements Frequency Hopping Spread Spectrum System Hopping Sequence N/A 47 CFR Part 15, Subpart C 15.247(a)(1),(g),(h) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result 47 CFR Part 15, Subpart C 15.247 Conducted Emissions at AC Power Line (150kHz-30MHz) ANSI C63.10 (2013) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass Conducted Peak Output Power ANSI C63.10 (2013) Section 7.8.5 47 CFR Part 15, Subpart C 15.247(b)(1) Pass 20dB Bandwidth ANSI C63.10 (2013) Section 7.8.7 47 CFR Part 15, Subpart C 15.247(a)(1) Pass Carrier Frequencies Separation ANSI C63.10 (2013) Section 7.8.2 47 CFR Part 15, Subpart C 15.247a(1) Pass Hopping Channel Number ANSI C63.10 (2013) Section 7.8.3 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Dwell Time ANSI C63.10 (2013) Section 7.8.4 47 CFR Part 15, Subpart C 15.247a(1)(iii) Pass Conducted Band Edges Measurement ANSI C63.10 (2013) Section 7.8.6 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2013) Section 7.8.8 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions ANSI C63.10 (2013) Section 6.4,6.5,6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Declaration of EUT Family Grouping: Model No.: Sound Spot II, SFQ-18 have the same the electrical circuit design, layout, components used,only model number is difference. Report No.: BTEK240428001AE001 Page: 4 of 34 3 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Test Summary ........................................................................................................................................... 3 3 Contents .................................................................................................................................................... 4 4 General Information .................................................................................................................................. 6 4.1 Details of E.U.T. .............................................................................................................................................. 6 4.2 EUT Test Mode and Test Condition ............................................................................................................ 6 4.3 Description of Support Units ......................................................................................................................... 6 4.4 Measurement Uncertainty ............................................................................................................................. 7 4.5 Test Location ................................................................................................................................................... 7 4.6 Deviation from Standards .............................................................................................................................. 7 4.7 Abnormalities from Standard Conditions .................................................................................................... 7 5 Equipment List .......................................................................................................................................... 8 6 Radio Spectrum Technical Requirement ............................................................................................. 10 6.1 Antenna Requirement .................................................................................................................................. 10 6.1.1 Test Requirement: ................................................................................................................................... 10 6.1.2 Conclusion ................................................................................................................................................ 10 6.2 Other requirements Frequency Hopping Spread Spectrum System Hopping Sequence ................. 11 6.2.1 Test Requirement: ................................................................................................................................... 11 6.2.2 Conclusion ..................................................................................................…

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Report No.: BTEK240428001AE Page: 1 of 3 Appendix Setup Photos For BTEK240428001AE Report No.: BTEK240428001AE002 Page: 2 of 3 Radiated Spurious Emissions (Above 1GHz) Radiated Spurious Emissions (Below 1GHz) Report No.: BTEK240428001AE002 Page: 3 of 3 Conducted Emissions