Features: 1【Dual USB Fast Charge】Can charge multiple mobile phones at the same time. 2【High-quality music playback】Wireless pairing 5.0 transmission is undistorted, advanced noise reduction technology ensures sound quality, and the sound is crystal clear. You can play music on the car stereo via wireless pairing USB flash drive ≤32GBTF card ≤32GB. Note: U disk or TF card supports WMA MP3 WAV APE FLAC music format. 3【Hands-free call】Built-in microphone and noise suppression CVC technology, make hands-free calls clearer, automatically switch from music playing state to hands-free state when answering. One-click answerend call. Driving is easy. 4【Wide Compatibility】Wireless pairing FM transmitter supports all devices that support wireless pairing, suitable for iPad, iPhone, Google, LG, Tablet, Android and other devices with wireless pairing connection, easy to set up and use. 5【7 Colors RGB LED Backlight】This wireless pairing radio transmitter supports 7 colors LED backlight, you can get a visually stunning color display. Specification: Name: Car Bluetooth Transmitter Bluetooth Version: V5.3 Charging interface: Support USB 3.1A +1A fast charging PD interface: Support PD30W fast charge One-key power on and off: Support one-key soft power off Luminous lights: Support RGB lights Hands-free function: Bluetooth-compatible hands-free calling Stereo: support Bluetooth stereo music DSP technology Frequency: 87.5-108.5mhz Voltage: 12V Special Features: MP3 Special Features: Hands Freee Special Features: FM Transmitters Package includes: 1*Bluetooth FM transmitter 1*User Manual Notice: Manual measurement please allow 1-2cm size error Due to different lighting and display equipment, the actual color and picture of the product may be different, thank you for your understanding. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.