2BB3B-TWS231Bluetooth headset

FeaturesHow To Use: A Quick Look could voidthe useauthorityto operate the equipment. acceptanyinterference received,includinginterference that may cause undesired This equipment hasbeen tested and found to complywith the limitsfor a Class B digital device,pursuant toPart15ofthe FCC Rules. These limits are designed to provide equipment generates,uses and canradiate radio frequency energyand,ifnot installed and correct the interference by one or more ofthe following measures: -- Reorient or relocate the receivingantenna. receiver is connected. -- Consultthe dealer or an experienced radio/TV technician for help. This warranty coversthe original consumer purchaser onlyandis not transferable. to defectsin material or workmanship. Yourproduct willbe repaired or replacedatno charge for partsorlabor fora period of one year. WhatIsNot Coveredby Warranty Call1-800-592-9541 or visit ourwebsite at www.vivitar.com. To receive Warrantyservice along withthe name and address of anauthorizedproduct service center,the original consumer purchaser must contact usfor problem receipted invoice, evidencingthat the product iswithinthe applicable Warranty period(s), MUST be presented inorder to obtainthe requested service. It isyourresponsibility to authorized service center atyour expense. Donot include any other items or accessories are not covered by warrantywill be returned unrepaired. For ConsumersinAustralia Only Faultyproductshould be returned to point of sale, requiringproof of purchase for a refundor exchange. Our goods come withguaranteesthat cannotbe excluded under the Australian Consumer for any other reasonablyforeseeable loss or damage. acceptable qualityand the failure does not amount to a major failure. For all TechnicalSupport in Australiaplease dial1-800-006-614 1. READ ALL INSTRUCTIONS BEFOREUSING YOUR PRODUCT. 2.Do notsubmerge product in water.Do not place product on wet surfaces. 4.Do notallow children to playwiththis product. Thisproduct containssmall piecesthat can be a chokinghazard.Parentalsupervision isadvised. product isinneed of service. 8.Do not drop, crush, or expose thisproduct to excessive physicalforce. 9. Do not charge while product is in contact with water, as electric shock may occur. 10. Unplug charging cable when not in use or during thunderstorms. Contents -Pair of True Wireless Earbuds -Charging Case -USB-C Charging Cable -Instructon Manual Key component: 1.Power buton 2.LED Indicator 3.Charging Port FCC ID: 2BB3B-TWS231 Charging Port LED Indicator Power buton LED Indicator 1.Take o ffthe earbuds from charging box. 2.The earbud(s) will automatcally power on and pair to each other when removed from the charging case. 3.The earbuds will power o ffif they don’t connect to any device within 5 minutes. To turn the earbuds back on if they have turned off,either put the earbuds back into the charging case and take them out again,or press the power buton for 3 seconds. 4.To pair your earbuds, turn on Bluetooth?on your device and choose EB31211 on the list to connect. When the LED light turns blue, they are paired successfully and you will hear a beep tone. 5.To answer a call, short press the earbud power buton once. To reject a call, long press the the earbud power buton for 3 seconds. 6.Short press the earbud power buton to stop the music; press it again to resume playing. 7.Press L power buton twice to play the previous song. Press R power buton twice to play the next song. 8.Long press the earbud touch sensor for 5s untl the red light flashes, then the Bluetooth® device is turned off. The earbuds turn o ffautomatcally when the earbuds are away from the Bluetooth® device for a duraton of over 5 minutes.To turn on the earbuds, press the earbud power buton for 5s untl the blue light flashes. How to Charge FAQ: 1.Why can't I start my TWS earbuds ? Answer: Please ensure that the earbuds is fully charged for your first use 2.Why won't sound come out of the earbuds ? Answer: Check whether the playback device and the TWS earbuds are successfully established. If the audio device is not properly connected, please reconnect. Please also adjust your mobile phone or volume to a suitable volume level. 3.Why can't I find this earbuds in my bluetooth® optons? Answer: Make sure the Bluetooth ?is in "visible mode". If no pairing occurs, the Bluetooth® functon will automatcally shut off. Please reopen Bluetooth® to "visible mode". If there is a program error, please reboot your phone, and if a program error is caused by your TWS earbuds, please restart the earbuds. -Bluetooth?Version: 5.3 -Range: 32f / 10m -Earbud Batery Capacity: 30mAh -Charging Box Batery Capacity: 200mAh -Play Time: Around 15 Hours (based on 50% max volume) *5 Hours per Cycle plus 2tmes extra charges provided by the charging case. -Charge Time: 2 Hours Charging Input: 5V 500mA MAX -Frequency Response:20Hz-20kHz -Operatng Temperature range: 0-45 O C 3.The earbuds and case can be charged simultaneously, but the earbuds will not charge if there is no power in the case. The case needs to have at least a minimum charge to charge the earbuds. You must charge the case and earbuds if it has not been used for more than 3 months. USB PlugUSB-C EB31211 EB31211 1.Charging your case: -Plug in the charging case using the USB-C cable included. -While the batery case is being charged, the case LED indicator will be flashing red. -When the case is fully charged, the light will change to solid red. 2. Charging your earbuds: -Place the earbuds inside the charging case and the earbuds will automatcally start charging. -A solid red light on the earbuds will indicate that the earbuds are charging. Once fully charged, The red light will turn off. USER MANUAL / TEM#EB31211-BLU ©2023 Sakar Internatonal 195 Carter Drive Edison, NJ 08817 Support: 800 592 9541 www.vivitar.com 71 mm 102 mm

SHENZHEN JUNYE ELECTRONICS CO LTD 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: SHENZHEN JUNYE ELECTRONICS CO LTD Address: 2/F, Building 7, HYS industrial Park, Phoenix 4TH Community, Fuyong, Baoan, Shenzhen China Product Name: Bluetooth headset FCCID: 2BB3B-TWS231 Model(s): TWS231, Y68, EB31211 2.911(d)(5)(i) EquipmentType We, [SHENZHEN JUNYE ELECTRONICS CO LTD] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Yin jun Date: 2023/10/26 Title and Company name: Manager / SHENZHEN JUNYE ELECTRONICS CO LTD NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

SHENZHEN JUNYE ELECTRONICS CO LTD 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: SHENZHEN JUNYE ELECTRONICS CO LTD Address: 2/F, Building 7, HYS industrial Park, Phoenix 4TH Community, Fuyong, Baoan, Shenzhen China Product Name: Bluetooth headset FCCID: 2BB3B-TWS231 Model(s): TWS231, Y68, EB31211 2.911(d)(5)(ii) Applicant filing We, [SHENZHEN JUNYE ELECTRONICS CO LTD] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name: Yin jun Date: 2023/10/26 Title and Company name: Manager/ SHENZHEN JUNYE ELECTRONICS CO LTD NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Declaration on model difference The following models of units we produce are identical in electrical, mechanical and physical structure; The difference is only in the model name, we finally have TWS231 as test model Production name Trade name Model no. Bluetooth headset N/A TWS231, Y68, EB31211 Confirmed by：SHENZHEN JUNYE ELECTRONICS CO LTD Signature: Date: 2023/10/26 Name: Yin jun Title: Manager Company: SHENZHEN JUNYE ELECTRONICS CO LTD

SHENZHEN JUNYE ELECTRONICS CO LTD U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Sakar International Inc. FRN: 0028102671 Contact Name: Sakar International Inc. Address: 195 Carter Drive • Edison, NJ 08817 Telephone No: 8006371090 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date:2023-10-26 Signed by (Printed Name/Title): DAWN LEITAO The Applicant acknowledges that they must maintain an agent for no less than and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: SHENZHEN JUNYE ELECTRONICS CO LTD FCC ID: 2BB3B-TWS231 Contact Name: Yin jun Address: 2/F, Building 7, HYS industrial Park, Phoenix 4TH Community, Fuyong, Baoan, Shenzhen China Telephone No: +86(0755) 2372 9964 Email: [email protected] Applicant Signature: Date: 2023-10-26 Signed by (Printed Name/Title): Yin jun/ Manager

SHENZHEN JUNYE ELECTRONICS CO LTD 2023.10.26 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Bluetooth headset MODEL : TWS231, Y68, EB31211 FCC ID: 2BB3B-TWS231 To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Yin jun / Manager Contact information / address: 2/F, Building 7, HYS industrial Park, Phoenix 4TH Community, Fuyong, Baoan Shenzhen China

SHENZHEN JUNYE ELECTRONICS CO LTD 2023.10.26 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION Product Name: Bluetooth headset FCCID: 2BB3B-TWS231 Model(s): TWS231, Y68, EB31211 To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title : Yin jun / Manager Contact information / address: 2/F, Building 7, HYS industrial Park, Phoenix 4TH Community, Fuyong, Baoan Shenzhen China

EUT EXTERNAL PHOTOGRAPHS EUT Photo 1 EUT Photo 2 EUT Photo 3 left EUT Photo 4 EUT Photo 5 EUT Photo 6 EUT Photo 7 EUT Photo 8 EUT Photo 9 Right EUT Photo 1 EUT Photo 2 EUT Photo 3 EUT Photo 4 EUT Photo 5 EUT Photo 6 ----------------The end----------------

Label Location Because the device is too small, the ID number cannot be printed on the headset, so it is printed on the manual.

EUT INTERNAL PHOTOGRAPHS left EUT Housing and Board View 1 EUT Housing and Board View 2 EUT Housing and Board View 3 EUT Housing and Board View 4 EUT Housing and Board View 6 EUT Housing and Board View 6 EUT Housing and Board View 7 EUT Housing and Board View 8 Antenna Right EUT Housing and Board View 1 EUT Housing and Board View 2 EUT Housing and Board View 3 EUT Housing and Board View 4 EUT Housing and Board View 5 EUT Housing and Board View 6 EUT Housing and Board View 7 ----------------The end----------------

FCC ID: 2BB3B-TWS231 RF exposure evaluation According to§15.247(i), §1.1307 (b) and KDB447498, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the commission’s guidance. The SAR-based exemption formula of §1.1307(b)(3)(i)(B), repeated here as Formula (B.2), applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold Pth (mW). This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by Formula (B.2). F is in GHz, d is the separation distance (cm), and ERP20cm is per Formula (B.1). When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. We use 5mm as separation distance to calculate Antenna gain: -0.58 dBi Conducted Transmit Power Max: = -1.21dBm = 0.76 mW EIRP=-1.21dBm - 0.58 dBi=-1.79dBm ERP= -1.79-2.15dB= -3.94dBm The maximun ERP power specified is -3.94 dBm = 0.40mW The source- based time-averaging conducted output power =0.40 * Duty factor mW (where Duty Factor≤1) = 0.40 mW The SAR Exclusion Threshold Level: 푃 th (mW) = ERP 20cm * (푑/20cm) 푥 (X= ) = 2.72 mW Since the source-based time-averaging conducted output power is well below the SAR low threshold level, so the EUT is considered to comply with SAR requirement without testing.

0705 Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Center Frequency Horizontal Vertical 2400MHz 2450MHz 2500MHz 2400MHz 2450MHz 2500MHz -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX.Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 2 Ohm Antenna Length 9.1mm*3.5mm ManufacturerModelnumber:HuaZichengTechnology Co.,LTD.,5thFloor,BuildingB,No.6,DongcaiIndustrial Park,Gushu,Shenzhen modelnumber：BZ-09 Horizontal: 2400 MHz 2450 MHz 2500 MHz Power(dBm) Max: 0 Min:-40 Scale: 5/div Frequency (MHz) Gain(dB) Max Min Avg 2400 -1.26174 -30.0801 -718716 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 Frequency (MHz) Gain(dB) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432

No.：BCTC/RF-EMC-007 Page: 1 of 81 Edition：A.4 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2310197318E Applicant: SHENZHEN JUNYE ELECTRONICS CO LTD Product Name: Bluetooth headset Model/Type Reference: TWS231 Tested Date: 2023-10-18 to 2023-10-24 Issued Date: 2023-11-01 Report No.: BCTC2310197318E No.：BCTC/RF-EMC-007 Page: 2 of 81 Edition：A.4 FCC ID: 2BB3B-TWS231 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Bluetooth headset Trademark: N/A Model/Type Reference: TWS231, Y68, EB31211 Prepared For: SHENZHEN JUNYE ELECTRONICS CO LTD Address: 2/F, Building 7, HYS industrial Park, Phoenix 4TH Community, Fuyong, Baoan Shenzhen China Manufacturer: SHENZHEN JUNYE ELECTRONICS CO LTD Address: 2/F, Building 7, HYS industrial Park, Phoenix 4TH Community, Fuyong, Baoan Shenzhen China Prepared By: Shenzhen BCTC Testing Co., Ltd Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-10-18 Sample Tested Date: 2023-10-18 to 2023-10-24 Report No.: BCTC2310197318E Test Standards FCC Part15.247 ANSI C63.10-2013 Test Results PASS Remark: This is Bluetooth Classic radio test report. Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2310197318E No.：BCTC/RF-EMC-007 Page: 3 of 81 Edition：A.4 Table of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information and Test Setup ...................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 8 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT operating Conditions ................................................................................... 13 6.5 Test Result .......................................................................................................... 14 7. Radiated emissions ............................................................................................. 16 7.1 Block Diagram Of Test Setup .............................................................................. 16 7.2 Limit .................................................................................................................... 17 7.3 Test procedure .................................................................................................... 18 7.4 EUT operating Conditions ................................................................................... 19 7.5 Test Result .......................................................................................................... 20 8. Radiated Band Emission Measurement and Restricted Bands of Operation ...... 24 8.1 Block Diagram Of Test Setup .............................................................................. 24 8.2 Limit .................................................................................................................... 24 8.3 Test procedure .................................................................................................... 25 8.4 EUT operating Conditions ................................................................................... 25 8.5 Test Result .......................................................................................................... 26 9. Spurious RF Conducted Emissions ..................................................................... 27 9.1 Block Diagram Of Test Setup .............................................................................. 27 9.2 Limit .................................................................................................................... 27 9.3 Test procedure .................................................................................................... 27 9.4 Test Result .......................................................................................................... 28 10…

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TEST SETUP PHOTOGRAPHS 1.1. Photos of Conducted Emission Measurement 1.2. Photos of Radiation Emission Measurement Spurious Emission Test Setup (Below 1GHz) Spurious Emission Test Setup (Above 1GHz) ----------------The end----------------