Support Qualcomm Qaulcomm QC3.0 flash charging (support QC2.0/QC3.0/PE+1.1/PE+2.0 and FCP fast charging protocols, support Apple and Samsung charge identification and BC1.2DCP charging protocols)1. On board Bluetooth MP3 supports handsfree call, built-in high sensitivity microphone, HSP bottom noise and echo suppression.2. The 1.77 inch TFT color screen displays lyrics, song titles, playing status and other information.3. Automatic detection of vehicle battery voltage, voice reminder, and support for real-time voltage viewing.4. Bluetooth smart MP3 player, supporting mobile phone/network/various music APP software playing5. Support mainstream map APP navigation voice broadcast and QQ/WeChat other software language broadcast function6. Support lossless audio decoding, high resolution, high-performance stereo, WMA, APE, FLAC, WAV and other lossless music formats.7. Support TF card and USB flash disk expansion play8. The upgraded version of Torus 5.0 Bluetooth chip makes the connection more stable and the automatic return connection faster.9. Dual USB car charger, QC3.0 rapid charging: 3A/3.6-6.5V, 2A/6.5-9V, 1.5A/9-12V+intelligent recognition charging 5V/2.4A. The charging speed of quick charging QC3.0 is 4 times that of ordinary 5V/1A. (The phone needs to support the QC3.0 function)10. Support the memory function of playing breakpoints.11. Support 3.5mm AUX audio interface high-quality audio output12. Support key operation to switch folder playing13. Knob design, one button operation to adjust volume/answer/hang up/call backProduct parameters:1. Working voltage: 12V-24V2. USB output voltage: DC/5V3. Dual USB charging: USB-1 QC3.0 fast charging: 5V/3A (Max), 9V/2A, 12V/1.5A+USB-25V/2.4A smart fast charging)4. Bluetooth version: Bluetooth 5.05. Effective distance: about 10M6. Launching distance: