Specification: _x005f_x000D_ Certification: NONE _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Model Number: Transmitter Receiver _x005f_x000D_ Product color: white, black (optional) _x005f_x000D_ Bluetooth version: Bluetooth-compatible V5.0 _x005f_x000D_ Chip: JL _x005f_x000D_ Transmission distance: obstacle free signal of 10 meters _x005f_x000D_ Interface type: 3.5mm interface _x005f_x000D_ Input parameter: DC 5V/2.1V (maximum) _x005f_x000D_ Support protocol: A2DP/AVRCP _x005f_x000D_ Usage: Drive free AUX+FM dual output _x005f_x000D_ Product material: high-strength PC+ABS _x005f_x000D_ Battery parameters: Battery classification: Lithium _x005f_x000D_ Battery size: 602030 (thickness 0.6cm, width 2cm, length 3cm) _x005f_x000D_ Battery weight: 6.5g _x005f_x000D_ Watt hours per battery: 1.11Wh _x005f_x000D_ Listening time: about 6 hours _x005f_x000D_ Basic functions: Bluetooth reception, Bluetooth transmission, TF card playback, navigation calls, and button operation _x005f_x000D_ Applicable equipment: various types of speakers, car mounted, desktop computers, laptops, televisions, amplifiers, projectors, etc _x005f_x000D_ Product size: 66 * 43 * 12mm/2.5*1.6*0.4in _x005f_x000D_ Product weight: 25g _x005f_x000D_ Gross weight: 64g _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Bluetooth-compatible Adapter _x005f_x000D_ 1 x 3.5mm Audio Cable _x005f_x000D_ 1 x Charging Cable _x005f_x000D_ 1 x Instructions 1. Support Bluetooth-compatible Reception: The Stereo Transmitter Adapter uses a Bluetooth-compatible 5.0 chip. Supports Bluetooth reception (RX) and Bluetooth transmission (TX), FM transmission, and TF card playback, with 4-in-1 functionality. 2. Support TF Card Play: FM Transmitters can play TF cards in receive, transmit, and FM modes, supporting formats such as mp3/flac/wav/wam/ape. 3. Ultra Long Standby: The Wireless Audio Radio has a built-in 300 milliampere polymer battery, which allows for continuous listening for about 6 hours. The Bluetooth transmission distance is 10 meters. 4. Multifunctional Buttons: The Audio Receiver has multifunctional buttons that support on/off, playback, pause, up/down, volume up/down, sound source switching, and frequency adjustment. 5. High Definition LED Screen: Multifunctional adapter high-definition LED digital display screen, various working states are clear at a glance.