2AUIF-NV-08245RWIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER

Size: 14.2" x 5.3" Fold Size: 3.6" x 5.3" VIS TATE CH NV-08245 INSTRUCTION MANUAL PLEASE READ ALL INSTRUCTIONS CAREFULLY AND RETAIN FOR FUTURE USE FRONT ·Once you have paired the headphone with a device, the headphone will remember this dev i ce and will pair automatically when the devk:e's wireless is activated and in range. You do not need to re-pair any previously connected devices. ·The wire l ess headphone will attempt to automatically connect to the last device h was paired w i th when sw代chedon. If you want to pair it with a new device, please follow the steps outlined above. ·Once the wireless headphone is pai「edwith your device the music will t『ansmit through the wireless headphone. Please refer to your device's use『manualfor further information. Function summar y Listening to mu血 ·Once the headphone is paired with your device you can st『earn music wirelessly through the wireless headphone. Should you encounter any problems while streaming p炽serefer your device's user manual for further information. Control function Function Operlltlon Button Increase Volume Playing music Press and hold the Volume Inc『easebutton will increase the volume. Decrease Volume Playing music Press and hold the Volume Decrease button will decrease the v�ume Pause Playing music A short press on the Play / Pause button will pause the music. Play Pausing A short press on the Play / Pause button will 「estartthe music. Previous track Playing music A short press on the Previous Track button will return you to the previous track Next track Playing music A short pr Jt e o ss th o e n 1 the Next Track button will take you next track. (Note·An indication tone will alert you when the volume is adjusted to the minimum or maximum l evel) BACK Getting started ·Remove the product from the box. ·Please hold onto the packaging un廿Iyou have verified and counted all the parts and contents against the package contents initially Package contents ·Wireless transmitter ·Wireless headphone ·RCAcable ·AUX cable ·Mic『oUSB cable ·Instruction manual Key features ·Stream wire氐ssaudio from the TV, DVD player, and more directly to your wireless headphone, ea『phones,etc. ·Kit includes HD WIRELESS headphones and wireless transmitters. ·Long-lasting rechargeable battery in a wireless headphone ·Transmitter can work with any compatible wi『elessheadset or speaker. ·Wall outlet power adapter included. ·Transmitter and headphones work up to 33ft. apart. ·Headphones can be used wireless or with a 3.5mm auxiliary cord. ·Headphone with rich sound & enhanced bass. ·Built-in mic and call answer button for hands-free talking Note: earphones, and speake『s are not included. Sal毗yin吐ructions ·Keep the unit away from heat sou「ces,direct sunlight, humid代y,water, and any other liquids. ·Do not operate the unit i仇has been exposed to water, moisture, or any other liquids to prevent electr i c shock. explo郘on,and/or injury to you「selfand damage to the un几 ·Do not use the unit if it has been dropped or damaged in any way. ·Repairs to electrical equipment should only be performed by a qualified technic即 Improper repairs may place the user at se『ious『isk. ·Do not use the unit with wet hands. ·Do not put foreign objects into any of the openings. ·Keep the unit I『ee from dust lint etc. ·Do not use this unit for anything other than its intended use ·Keep the unit out of reach of children. ·Th i s product is not a toy. ·Do not use the handset at excessive volume levels. as damage to the hearing may occur. Making a call with the wirelns headphone in wireless mode 压leoperation Function 0per或IonButton Answer a call Incoming call Press the p ca ho ll. ne button once to answer an incoming ca . Reject incoming call Incoming call Long press the phone button. End a call Incoming call After your phone conversation, short press the phone button. Increase vciume During a call Press and hold the volume increase button will increase the volume. Dec『easevolume During a call Press and hold the volume decrease button will decrease the volume. Redial last number Standby mode Short press the phone button twice. and connected to a device Please note ·Not all mobile phones support all the functions listed above. Please refer to your cell phone's user's manual for further information.· ·Ce『tain functions and indication tone maybe vary depending on your mobile phone. Li吠aningto music using aux-in mode ·Insert the 3.5mm auxiliary cable (included) into the AUX input of the headphone. And, the other end of the cable connects to the audio device (such as cell phone / computer/ tablet etc.). ·Select your favourite song at the source device and play (Note: using this AUX一1nmode, you do not need to turn on the headphone, and you need to control the volume increase/decrease, play/pause, next/previous track through your source device.) D Do's and don'ts Do not play music at exc蛮velevels. Damage to hearing and or equipment may result. Specifications Wirelessh础dphone: Wireless specification 5.0 Operating distance 33feet W砅ingtime Up to 5 hours (maximum volume) Charging input voltage DC5V Charging time 2-3 hours Built-In battery 200mAh Wireless Transmtner: 1. Power source: DC 5V 2 Transmitting distance 33 feet Description of Parts 1 2 3 三 Wirel四h砬dphone 1 PREVIOUS TRACK/VOLUME DECREASE 2 POWER ON/OFF/PLAY/PAUSE/PHONE BUTTON 3 NEXT TRACK/VOLUME INCRE怂E 4 LED INDICATOR 5 CHARGING PORT 6 AUXIN 7 BUILT-IN MICROPHONE Wireless transmitter '8 I ON/OFF/SEARCH BUTTON 9 I正DINDICATOR 纠 O,arging the wireless headphone , The wire您ssheadphones are equipped with a rechargeable battery. We suggest fully charging the battery before using the headphones for the first time. 回easeuse only the provided USB co『d to charge the headphones and cha『ge them for about 2 hours or until they are completely charged. , To charge the headphone, plug the USB end of the cable into the USB power su pp � and the micro-USB end into the charging port of the headphone. While charging, the red LED light will be on and 1t usually takes a…

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MaxSalesGroup CoveredEquipmentCertificationAttestationLetter 5/12/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2AUIF-NV-08245R MaxSalesGroup(“theapplicant”)certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. MaxSalesGroup(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Signed: Printedname:TarunKhiani Title:PurchaseManager CompanyName:MaxSalesGroup Date:5/12/2023

* the ap en 5/12 TO: AT T FC C FRN Per eq u serv Co m FCC Phy Cali Con Age Th e Th e term proc Ap p Sign Prin Titl e Co m Dat e Age applicant m pplicant’s age ntity. An appl 2/2023 Federa 7435 O Columb TN.: Revie C ID: 2AUIF N of applica section 2.9 uipment for w vice of pro mpany Nam C Registrati ysical U.S. C ifornia 9004 ntact Person ent Email Ad e above con e applicant a minated all m ceeding inv plicant Sign ned: ted name: T e: Purchase M mpany Name e: 5/12/2023 ent Signed ust designat ent for servic licant located U.S. A l Communic Oakland Mills bia, MD 210 ewing Engin F-NV-08245 ant: 002871 911(d)(7) of which autho ocess: me: Max Sal ion Number Company A 40, United S n: Tarun Kh ddress: taru ntact person accepts to m marketing a volving the e ned: arun Khiani Manager e: Max Sales (if differen M te a contact l ce of process d in the Unite Agent Des Certifi cations Com s Road 046 neer 5R 2974 fthe FCC ru orization is s es Group r (FRN): 002 Address: 152 States hiani un@maxsal n accepts th maintain an and importat equipment. Group nt from App Max Sale located in the s, regardless ed States ma signation cation At mmission ules,[Max S sought is de 28712974 240 NELSO lesgroup.co he obligation agent for n tion or the c plicant): es Group e United Sta s of whether ay designate for Servi ttestation ales Group esignated to ON AVENUE om n for service no less than conclusion o Signed: Printed Title: P u Compa n Date:5/ 1 p tes for purpo the applican e itself as the ice of Pro Letter ](“the applic o the follow E CITY OF e of process n one year a of any Com name: Tarun urchase Man ny Name: Ma 12/2023 oses of acting t is a domes e agent for se ocess - cant”) certif wing U.S. a INDUSTRY s. after the gra mmission-rel n Khiani nager ax Sales Gro g as the tic or foreig n ervice of pro fies that the agent* for Y, Los Ange antee has lated oup n cess. eles,

MaxSalesGroup 2023-05-12 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointSHENZHENTONGCETESTINGLAB/2101&2201,Zhenchang FactoryRenshanIndustrialZone,FuhaiSubdistrict,Bao'anDistrict,Shenzhen,Guangdong, 518103,People'sRepublicofChina(NameofAgentcompanynameandaddress)toactas ouragentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,Iack nowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,stillres ideswithMaxSalesGroup/15240NELSONAVENUECITYOFINDUSTRY,LosAngeles, California90040,UnitedStates(ApplicantNameandaddress) <Signature> Name:TarunKhiani Title:PurchaseManager ApplicantCompany:MaxSalesGroup

Max Sales Group 2023-05-12 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AUIF-NV-08245R Product Name: WIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:  Schematics Block diagram Operationdescription Thesematerialscontaintradesecretsand proprietaryinformationand are not customarilyreleasedto the public.The publicdisclosureof this informationmight be harmfulto the companyand provideunjustifiedbenefitsto our competitors. <Signature> Name : Tarun Khiani Title : PurchaseManager Company: Max Sales Group

LabelArtworkandLocation Model:NV-08245R Label: Size:L*W=25*10mm WIRELESSHEADPHONEANDTRANSMITTER KIT-TRANSMITTER Model:NV-08245R FCCID:2AUIF-NV-08245R Location

Page 1 of 2 Appendix C: Photographs of EUT Product: WIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER Model: NV-08245R Internal Photos Page 2 of 2 Antenna

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AUIF-NV-08245R Test Report No. ............... : TCT230423E027 Date of issue ................... : May 09, 2023 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Max Sales Group Address ........................... : 15240 NELSON AVENUE CITY OF INDUSTRY, Los Angeles, California 90040, United States Manufacturer's name ... : SHENZHEN KINGSUN ENTERPRISES Co., Ltd. Address ........................... : 25F, CEC information Building, Xinwen Road, Futian District, Shenzhen, Guangdong, P.R.China Standard(s) ..................... : FCC CFR Title 47 Part 1.1307 Product Name ................. : WIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER Trade Mark ...................... : N/A Model/Type reference..... : NV-08245R Rating(s).......................... : DC 5V Date of receipt of test item ......................................... : Apr. 23, 2023 Date (s) of performance of test ................................... : Apr. 23, 2023 - May 09, 2023 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT230423E027 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT230423E027 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : WIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER Model/Type reference........... : NV-08245R Sample Number....................: TCT230423E026-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK, π/4-DQPSK Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : -0.58dBi Rating(s)................................ : DC 5V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT230423E027 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 5V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT230423E027 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. ● IC - Registration No.: 10668A-1 SHENZHEN TONGCE TESTING LAB CAB identifier: CN0031 The testing lab has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing. 3.2. Location SHENZHEN TONGCE TESTING LAB Address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistri…

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AUIF-NV-08245R Test Report No. ............... : TCT230423E026 Date of issue ................... : May 09, 2023 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Max Sales Group Address ........................... : 15240 NELSON AVENUE CITY OF INDUSTRY, Los Angeles, California 90040, United States Manufacturer's name ... : SHENZHEN KINGSUN ENTERPRISES Co., Ltd. Address ........................... : 25F, CEC information Building, Xinwen Road, Futian District, Shenzhen, Guangdong, P.R.China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : WIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER Trade Mark ...................... : N/A Model/Type reference..... : NV-08245R Rating(s).......................... : DC 5V Date of receipt of test item ......................................... : Apr. 23, 2023 Date (s) of performance of test ................................... : Apr. 23, 2023 - May 09, 2023 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT230423E026 Page 2 of 75 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 5 4. Facilities and Accreditations .................................................................. 6 4.1. Facilities ................................................................................................................. 6 4.2. Location ................................................................................................................. 6 4.3. Measurement Uncertainty ..................................................................................... 6 5. Test Results and Measurement Data ..................................................... 7 5.1. Antenna requirement ............................................................................................ 7 5.2. Conducted Emission ............................................................................................. 8 5.3. Conducted Output Power ................................................................................... 12 5.4. 20dB Occupy Bandwidth .................................................................................... 13 5.5. Carrier Frequencies Separation ......................................................................... 14 5.6. Hopping Channel Number .................................................................................. 15 5.7. Dwell Time ............................................................................................................ 16 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 17 5.9. Conducted Band Edge Measurement ................................................................ 18 5.10.Conducted Spurious Emission Measurement .................................................. 19 5.11.Radiated Spurious Emission Measurement ..................................................... 20 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT230423E026 Page 3 of 75 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : WIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER Model/Type reference........... : NV-08245R Sample Number....................: TCT230423E026-0101 Bluetooth Version ................ : V5.1 Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1/2 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK, π/4-DQPSK Modulation Technology ....... : FHSS Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : -0.58dBi Rating(s)................................ : DC 5V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. 1.3. Operation Frequency Channel Frequency Channel Frequency Channel Frequency Channel Frequency 0 2402MHz 20 2422MHz 40 2442MHz 60 2462MHz 1 2403MHz 21 2423MHz 41 2443MHz 61 2463MHz ... ... ... ... ... ... ... ... 10 2412MH…

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2450MHz 2500MHz2400MHz 2450MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 1 5.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Page 1 of 2 Appendix B: Photographs of Test Setup Product: WIRELESS HEADPHONE AND TRANSMITTER KIT - TRANSMITTER Model: NV-08245R Radiated Emission Page 2 of 2 Conducted Emission