FCC ID: 2AIL4-BH194A Bluetooth FM Transmitter

Bluetooth FM Transmitter User Manual Product Picture 1. USB port 2. USB port (5V-QC3.0 charging 3. Last song/ CH button 4. Next song/Mode button 5. LED light 6. Multi-function button(Short press to play/pause/answer/hang up/; long press to turn be conversation into private mode; turn right is volume +,turn left is volume -) 7. TF port 8. The negative power of shrapnel 9. The positive power of shrapnel Function 1. Real monitor the voltage of the car accumulator ,mention the voltage very 10seconds. 2. USB Charging port alonecan supply Max 16W/5V-QC3.0 charging power 3. Ultra small body, adjustable angle to adapt to all kinds of cars, do not interfere with driving. 4. 88.1MHZ ~~~107.9MHZ frequency range, can choose any frequency (when frequency point with car radio frequency is same can work normally ) 5. Automatic frequency memory. Button operation 1. buttonPlay/Pause/Answer/Hang up Button, When incoming the call, short press is to answer the phone, after the phone call is finished ,short this button is also to hang up the call;

When incoming the phone call , long press the button to reject to answer the phone call. Double press this button is to call somebody back. When playing music, short press for pause; Turning left for volume down, turning right for volume up. When in CH mode, turning left for frequency down, turning right for frequency up. 2. buttonlast song/CH switch button. When you need to change the frequency, Please long button to enter the CH ModeThe led light will be flashing, Then please change the for play last press frequency by the adjusting knob. When in the playing music mode, short press song. 3. ButtonNext song: When in playing music mode, short press for play next song; Long press is to switch the TF card Mode or USB Mode. 4. Charging operation: USB port2 is for the USB QC 3.0 charging port. Plug into the charging line and connect with the phones USB port can charging for the smart phone. Bluetooth connection method of operation:

1.When the machine is inserted into the cigarette lighter of the car, the machine is switched on and prompted (the Bluetooth device is ready to connect), the phone can search for the Bluetooth device,

"....."select and connect with the Bluetooth..... will connect directly, when the device is connected, it prompt (Bluetooth device connected successfully). 2. When the device is successfully connected with the phone, it will automatically open the phone music player and play the phone music , the key operation function please refer to function operation . Precautions 1. Please use the specified voltage, DC 12 ~ ~ 24V, if the use other voltage may cause the machine is not working properly, or may damage the product 2. When starting or igniting the car, please do not insert the product into the car cigarette lighter, otherwise it may cause the machine to burn out. 3. Please remove the cigarette lighter when not use for a long time 4. please use car speaker to adjust the volume , do not adjust the too large volume of the machine , or some music may produce violent sound and distortion of the phenomenon, if playback of the music is violent or distortion, adjust to reduce the car music player output volume, it can return to normal. 5. Select the frequency, try to avoid the local signal strong radio to avoid interfere the sound quality. 6. If the car does not receive music, check whether the frequency settings of the machine and car are the same, or try to increase the output volume of the machine by pressing and holding the volume key. 7. Do not allow the machine to charge for multiple devices at the same time to avoid to over the withstand current to burn the machine. 8. When the phone or tablet is using the machine for charging, try to avoid long time use of mobile phones or tablet. Product parameter Input Voltage DC 12V~24V MAX 9-26V Input Voltage DC 5.2V5%

Work Current <50mAWhen do not charge for mobile phone Charging output current 3A Maximum rated power 16W Transmission Rate 32K bps 320K FM Frequency range 88.1107.9MHz0.1MHz as first grade Frequency distortion degree <0.1%

frequency response 20Hz-15KHz Stereo Isolation >60dB FM transmission distance <3 meters Bluetooth chip JR CW6621E single mode Bluetooth transmission effective distance 6 meter Bluetooth Version Version4.2+EDR Support Bluetooth protocol A2DP/AVRCP/HSP/HFP Bluetooth microphone -40dB Bluetooth microphone effective distance 0.5-2M Audio decoding format MP3 Automobile battery voltage detection DC 12V-24V 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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.

Internal Photos OPEN VIEW OF EUT INTERNAL VIEW OF EUT-1 BT Antenna INTERNAL VIEW OF EUT-2 INTERNAL VIEW OF EUT-3 FM Antenna INTERNAL VIEW OF EUT-4 INTERNAL VIEW OF EUT-5

External Photos TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT

FCC ID Label Location 30mm*20mm FCC ID: 2AIL4-BH194A

; VTIN TECHNOLOGY Co., Limited Unit D, 16/F, One Capital Place, 18 Luard Road, Wan Chai, Hong Kong Mar. 08, 2018 Federal Communication Commission Authorization and Evaluation Division FCC ID: 2AIL4-BH194A Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission's Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below:

1: Block Diagram 2: Schematics 3: Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Cn YY VTIN TECHNOLOGY Co., Limited 2 Contact person: Sam Liu Title: General Manager

VTIN TECHNOLOGY Co., Limited Unit D, 16/F, One Capital Place, 18 Luard Road, Wan Chai, Hong Kong Limited Agency Agreement VTIN TECHNOLOGY Co., Limited FCC ID: 2AIL4-BH194A

[2018-03-08]

Federal Communications Commission 445 12th Street SW Washington, DC 20554 Subject:

To Whom It May Concern:

We, VTIN TECHNOLOGY Co., Limited hereby authorized Intertek Testing Services to act as our Agent for the purpose of preparing application for FCC ID number (2AIL4-BH194A) under all applicable parts of the FCC rules and regulations. The effective date of this limited agency agreement is (2018-03-08). The Limited Agency Agreement expires until further notice, unless sooner terminated or extended by written notice to Intertek Testing Services and the Federal Communications Commission. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. The applicant is not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 U.S.C. 862, and no party to the application is subject to a denial of federal benefits pursuant to that section. If you have any questions or comments, please do not hesitate to contact me. Sincerely,

[Signature]

[Sam Liu]

[General Manager]