Check the listing for details. Bluetooth 5.0 Wireless Car FM Transmitter USB Charger Aux Adapter MP3 Hands-free. Color: Black, Condition: New. Listed at 8.45 USD. Type A Product Features:New Wireless Vehicle BT FM Transmitter Car Charger100% Brand new and high qualityMultifunctional: Wireless connection(BT), Build in microphone, FM transmitter+USB Charger+MP3 PlayerSupports BT hand-free phone call , build-in microphone.With FM transmitter function, supports adjustment. Full-frequency covered 87.5-108.0MHz.Allowed to accept MicroSD card up to 64G and play playing music on MP3/WMA form.Come with 2 USB charging ports (5V/3.1A and 1.0A) for charging your smart phone or tablet.The main button on the middle supports to change music or swap call, the near rotary knob is designed to adjust the volume.Product Details:BT version: V5.0BT protocol: A2DP, AVRCP, HFPBT band: 2.4 GHz-2.48 GHzBT Transmission distance: 5mFM frequency: 87.5-108 mhzFM transfer distance: 2metersInput voltage: 12-24VOutput: 5V/1.0A 5V/3.1AMusic format: mp3, wmaType BFeatures:1. Car Bluetooth MP3 supports hands-free calling, built-in high-sensitivity microphone, HSP bottom noise and echo suppression functions.2. The LED digital display can display frequency points, song number and working status information.3. Automatic detection of car battery voltage, voice prompt, support real-time voltage check4. Bluetooth smart MP3 player, support mobile phone/network/various music APP software playback5. Support mainstream map APP navigation voice playback and QQ/WeChat other software language playback functions6. Support lossless audio decoding, high resolution, high-performance stereo, support WMA, APE, FLAC, WAV and other lossless music formats. (97% of car Bluetooth on the market do not support FLAC, APE format)7. Support TF card and U disk extended playback8. Upgraded version 5.0 Bluetooth chip, more stable connection, faster automatic connection9. Double USB pin 3.4A, with intelligent identification function, fast charging10. Support playback breakpoint memory functionProduct parameter:1. Working voltage: 12V-24V2. USB output voltage: DC / 5V3. Dual USB output current: 3.4A dual USB smart current (* QC 3.0 output current 5V / 3A, 9V / 2A, 12V / 1.5A)4. Bluetooth version: Bluetooth 5.05. Effective distance: about 10M6. Transmission distance: