FCC ID: 2AC67-B320BT Bluetooth Headset

VT B320 BT Headset User Manual User Manual 1. WELCOME 2. VT B320 BT OVERVIEW 2.1 HEADSET 2.2 INCLUDED ACCESSORIES 3. HOW TO WEAR 3.1 LEFT OR RIGHT WEARING STYLE 3.2 ADJUST THE HEADBAND 3.3 POSITION THE MICROPHONE 3.4 STORING THE MICROPHONE 4. BASE CHARGING 4.1 CHARGE THE HEADSET 4.2 SUPPORT WIRELESS CHARGING FOR MOBILE PHONE 5. HOW TO CONNECT 5.1 CONNECT TO PC (USING BT 100U) 5.2 CONNECT TO MOBILE DEVICE (USING BLUETOOTH) 6. HOW TO USE 6.1 EVERYDAY USE 6.2 MULTIPLE CALL HANDLING 7. SUPPORT 7.1 FAQ 7.2 HOW TO CARE FOR YOUR HEADSET 8. TECHNICAL SPECIFICATION 3 4 4 5 5 6 6 7 7 8 8 8 9 9 9 10 11 12 12 12 12 13 1. WELCOME Thank you for using the VT B320 BT Headset. We hope you will enjoy it !

VT B320 BT FEATURES Comfortable noise-isolating design 2-microphone call technology makes voice clear Hybrid Active Noise Cancelling Superior music and voice capabilities Hi-Fi Sound Integrated Busylight Discreet boom arm can be neatly folded away into the headband when not on a call Compatible with Microsoft Teams/Skype for Business/3CX, Cisco Jabber,Avaya workplace, and Counterpath Bria, etc via BT100U 3 2. VT B320 BT OVERVIEW 2.1 HEADSET Adjustable headband Busylight indicator Multi-function touch button Noise canceling microphone Voice pick up microphone Base Charge Point USB charging port Volume up Volume down/

Mute 4 ANC button Bluetooth indicator Power On/off/

Connect switch 2.2 INCLUDED ACCESSORIES Carry pouch USB-C cable Charging Base

(Optional) BT 100U

(Optional) 3. HOW TO WEAR 5 3.1 LEFT OR RIGHT WEARING STYLE The VT B320 BT can be worn on the right or left which you want. 3.2 ADJUST THE HEADBAND Adjust the headband to find the most comfortable fit. 6 3.3 POSITION THE MICROPHONE It is recommended to position the microphone close to your mouth. 3.4 STORING THE MICROPHONE Discreet boom arm can be neatly folded away into the headband when not on a call. 7 4. BASE CHARGING 4.1 CHARGE THE HEADSET Option 1: The headset battery will be charged when connected to a PC using a USB cable, or when using any USB charger supplied with your mobile device. Option 2: If you have a charging base, you could plug the charging base into a powered USB port and then dock the headset.

- Busylight indicator will turn red during charging, and it will turn green when headset is fully charged.

- It takes approx.3 hours to fully charge the battery. 4.2 SUPPORT WIRELESS CHARGING FOR MOBILE PHONE Base connects Power Adapter by USB cable, and put the mobile phone on the Base, then the charging indicator green light on. Charging indicator 8 5. HOW TO CONNECT 5.1 CONNECT TO PC (USING BT 100U) 1. Ensure the headset is switched on. 2. Plug the BT 100U dongle into a USB port on your PC. The headset and BT 100U are already pre-connected. 5.2 CONNECT TO MOBILE DEVICE (USING BLUETOOTH) 1. Wear the headset. 2. Hold (2 secs) the On/off/connect switch in the connect position until you hear the voice guided instructions. The Bluetooth indicator will turn blue. 3. Follow the voice guided instructions to connect. 9 6. HOW TO USE Adjustable headband Busylight indicator Multi-function touch button Noise canceling microphone Voice pick up microphone Base Charge Point USB charging port ANC button Bluetooth indicator Power On/off/

Connect switch Volume up Volume down/

Mute 10 6.1 EVERYDAY USE FUNCTION ACTION LED STATUS Headset on Slide the On switch Blue Light flashes twice in succession Headset off Slide the off switch Red Light flashes once Pairing Slide the Pair Button Blue Light flashes The blue light stays on for 3 seconds Blue Light flashes 1 time per 8 secs When there's an incoming call, the busylight flashes red, and the busylight stays red when on a call. Pairing Successfully Standby Answer/

End Call Tap the Multi-function button Reject call Double-tap the Multi-

function button Adjust volume and mute ANC on/off Tap the Volume up or Volume down button, when on a call,hold the volume down button 2s, it will be muted, and Hold 2s again it will be unmuted Tap the ANC button once to turn on the ANC function(There are 3 modes for your option, and the switching order is Basic Mode-Transparent Mode-ANC Mode). 11 6.2 MULTIPLE CALL HANDLING The headset can accept and handle multiple calls at the same time. FUNCTION ACTION End current call and answer incoming call Tap the Multi-function button Put current call on hold and answer incoming call Press and hold (2 secs) the Multi-function button Switch between held call and active call Press and hold (2 secs) the Multi-function button Reject incoming call, when on a call Double-tap the Multi-function button 7. SUPPORT 7.1 FAQ View the FAQs on www.Vbet.cn/VT B320 BT. 7.2 HOW TO CARE FOR YOUR HEADSET Always store the headset with the power off and safely protected. Avoid storage at extreme temperatures (above 55C or below -10). This can shorten battery life and may adversely affect the headset. 12 8. TECHNICAL SPECIFICATIONS VT B320 BT HEADSET SPECIFICATION Bluetooth Version:

Headset weight:

Headset dimensions:

Wear Style:

Talk Time:

Music time:

Charging Time:

Charging Base:

Microphones:

Speaker Size:

Speaker frequency range:

Cable length:

Operating temperature:

Storage temperature:

Frequency Range:

Transmit power:

V5.0(Without BLE) Mono headset 106g Stereo headset 146g Mono headset L196.3mm x W72.5mm x H189.1mm Stereo headset L196.3mm x W72.5mm x H191.1mm Headband 17 hours (Basic mode), 15 hours (ANC mode) 19 hours (Basic mode), 13 hours (ANC mode) 3 hours Optional Noise cancelling microphone 40 mm 20hz - 20 kHz Connect to PC for charging: 1500 mm

-10C to 55C

-20C to 25C 2402~2480MHz 6.0dBm BLUETOOTH ADAPTER(BT 100U) SPECIFICATION PC connection:

Bluetooth version:

Bluetooth range:

Bluetooth profiles:

Simultaneous Bluetooth Connection:

Support Softphones:

Bluetooth audio bandwidth:

Visual indicators:

USB 2.0 V5.0(Without BLE) Up to 30m (100 feet), Class 1 A2DP (V1.2), Hands free profile (V1.6) 1 Microsoft Teams/Skype for Business/3CX, Cisco Jabber, Avaya, and Counterpath Bria, etc. HD voice (wideband), A2DP Multicolor LED 13 Important Safety Instructions To prevent possible hearing damage, do not listen at high volume levels for long periods. 9. Product Disposal Treatment and FCC statement 1. Dispose of in accordance with local regulations as headphones and recycling regulations. Never treated headset as household waste. Do not dispose of the headset in a fire, this battery may explode. If damaged, the battery may explode. 2. FCC statement:

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. RF Warning Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Xiamen VBeT Electronics Co., Ltd. Xiamen VBeT Electronics Co., Ltd. Xiamen VBeT Electronics Co., Ltd. HQ Add: N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC Factory Add: 5th Floor Keji Building#2,No.32 Huoju East Road, Huli District Xiamen China P.C.361009 Tel : +86-592-5778728 Fax: +86-592-5778708 E-mail: vt@vbet.cn Web: www.vbetglobal.com

m m 3 Bluetooth Headset Model: VT B320 BT SN: VTB320522080001 x x m m 3 FCC ID: 2AC67-B320BT x x

Xiamen VBeT Electronic Co.,Ltd. N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC ,Xiamen, China Tel: 13950190158 Email: victor.fan@vbet.cn Attestation Letter Date: 2023/08/21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(5)(i) Filing FCC ID: 2AC67-B320BT Xiamen VBeT Electronic Co.,Ltd. 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. Sincerely, Signature:

Victor Fan CEO CFR 47 2.911(d)(5)(i) Attestation Letter

Xiamen VBeT Electronic Co.,Ltd. N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC ,Xiamen, China Tel: 13950190158 Email: victor.fan@vbet.cn Date: 2023-08-16 Attestation Letter FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 2.911(d)(5)(ii) Filing FCC ID: 2AC67-B320BT Xiamen VBeT Electronic Co.,Ltd. certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Sincerely, Signature:

Victor Fan CEO CFR 47 2.911 (d)(5)(ii) Attestation Letter

Xiamen VBeT Electronics Co.,Ltd. Address: N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC ,Xiamen, China Tel: 13950190158 Email: victor.fan@vbet.cn Attestation Letter Date: 2023-08-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam:

The RF chip, model: QCC3034, installed in our product named as Bluetooth Headset, Model No.: VT B320 BT, B320 BT, FCC ID: 2AC67-B320BT, which support BDR

(GFSK), EDR (/4-DQPSK, 8DPSK), and BLE functions. For use in America, this chip in this product only supports BDR (GFSK), EDR (/4-DQPSK, 8DPSK). The BLE function has been shielded by the manufacturer by using the software, the end user has no capability to activate it. Sincerely, Signature Victor Fan CEO

Xiamen VBeT Electronic Co.,Ltd. N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC Xiamen China Tel: 13950190158 Email: victor.fan@vbet.cn FCC Authorization Date: 2023-08-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We Xiamen VBeT Electronic Co.,Ltd., the undersigned, hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature:

Victor Fan CEO QA-FR-170-B 7/29/2014

Xiamen VBeT Electronic Co.,Ltd. N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC ,Xiamen, China Tel: 13950190158 Email: victor.fan@vbet.cn FCC Confidential Authorization Date: 2023-08-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AC67-B320BT In accordance with Sections 0.457 and 0.459 of the Commissions Rules, Xiamen VBeT Electronic Co.,Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below:

Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Victor Fan CEO

Xiamen VBeT Electronic Co.,Ltd. Address: N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC ,Xiamen, China Tel: 13950190158 Email: victor.fan@vbet.cn Product Difference Declaration 2023-08-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Xiamen VBeT Electronics Co.,Ltd., declare that our product Bluetooth Headset, the models VT B320 BT, B320 BT (FCC ID: 2AC67-B320BT) are identical in the circuit design, PCB layout, internal wiring and product functions, the difference only lies in the model name. We confirm that all information above is true, and we will be responsible for all the consequences. Please contact me if you have any question. Sincerely, Signature:

Victor Fan Title: CEO

U.S. AGENT LETTER OF ATTESTATION Date: 2023-08-25 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2AC67-B320BT Xiamen VBeT Electronic Co., Ltd. (the Applicant) certifies that, as of the date of the filing of the application, VBET NORTH AMERICA INC.(U.S. agent). is our designated U.S. agent for service of process for the above referenced FCC ID. Xiamen VBeT Electronic Co., Ltd. (the Applicant)accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. VBET NORTH AMERICA INC.U.S. agent) accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information:

Name: VBET NORTH AMERICA INC. Address: 14 Kansas Street Frankfort, IL 60423 United States Tel.: +312 767 0087 Ext.800 Email:dhogan@vbetglobal.com Signed by (printed name):David Hogan / CEO Signature:

Applicant: Xiamen VBeT Electronic Co., Ltd. Add: N403, Weiye Building, Xiamen Pioneering Park for Overseas Chinese Scholars, PRC ,Xiamen, China Tel: 13950190158 Email: victor.fan@vbet.cn Signed by (printed name): Victor fan Signature: