Adapter for Car with 5.0 Wireless FM Music Player 2 USB Ports1. The car Bluetooth MP3 supports hands-free calling, with a built-in high-sensitivity microphone, HSP background noise, and echo suppression.2. LED digital display screen, capable of displaying frequency and working status information3. Automatic detection of car battery voltage, voice reminder, and support for real-time voltage viewing4. Bluetooth intelligent MP3 player, supporting mobile/network/various music app software playback5. Support mainstream map apps for navigation voice broadcasting and QQ/WeChat other software language playback functions6. Supports lossless audio decoding, high resolution, high-performance stereo, supports multiple lossless music formats such as WMA, APE, FLAC, WAV, etc. (97% of car Bluetooth on the market does not support FLAC and APE formats)7. Support TF card and USB flash drive expansion playback8. Upgraded Bluetooth 5.0 chip for more stable connection and faster automatic reconnection9. Dual USB3.4A (max), with intelligent recognition and fast charging10. Support playback breakpoint memory function11. Support button operation to switch folder playback12. Knob design, one click operation to adjust volume/answer/end/call backProduct parameters:1. Working voltage: 12V-24V2. USB output voltage: DC/5V3. Standard output current: 5V/3.4A (MAX) fast charging USB: 5V/2.4A (MAX) QC3.0: 5V/2.4A, 9V/1.75A, 12V/1.25A4. Bluetooth version: Bluetooth 5.05. Effective distance: about 10M6. Emission distance:<5M7. Support TF card/USB drive capacity: <= 64GB8. Voltage detection range: 6-30V9. Power supply method: Cigarette lighter power supply10. Bit rate: 64-320KBPS11. Harmonic distortion:<0.05% FM:<0.1%)12. Signal to noise ratio: 85dB (FM: 65dB)13. File support types: MP3/WMA/APE/FLAC/WAV14. Product size: 45 * 36 * 73MM15. Net weight of the product: 29g16. Product gross weight: 49g