Product Information: Storage capacity: no memory FM frequency modulation function: Yes Playing time: Random PC interface type: Bluetooth Size: 1.1 inches Power supply voltage: 12-24 (V) Screen color: monochrome screen Power supply mode: cigarette lighter type car MP3 Audio source: car integrated MP3 player Package type: official standard 1. Car Bluetooth MP3 supports hands-free calling, built-in high-sensitivity microphone, HSP bottom noise and echo suppression. 2. Support LED colorful atmosphere light display 3. Automatic detection of car battery voltage, voice reminder, support real-time voltage check. 4. Bluetooth smart MP3 player, support mobile phone/network/all kinds of music APP software playback 5. Support mainstream map APP navigation voice broadcast and QQ/WeChat other software language playback functions 6. Support lossless audio decoding, high resolution, high-performance stereo, support WMA, APE, FLAC, WAV and other lossless music formats. 7. Support TF card and U disk extended playback 8. Upgraded version 5.0 Bluetooth chip, the connection is more stable, and the automatic connection is faster. 9. Dual USB car charger, PD 18W fast charging: 3A/3.6-6.5V, 2A/6.5-9V, 1.5A/9-12V. Fast charging PD 18W charging speed is 4 times faster than ordinary 5V/1A. (The mobile phone needs to support the fast charge protocol function) 10. Support playback breakpoint memory function. 11. Support Φ3.5mm AUX audio interface high-quality audio output 12. Support button operation to switch folder playback 13. Knob design, one-key operation to adjust the volume / answer / hang up / call back Product parameter 1. Working voltage: 12V-24V 2. USB output voltage: DC/5V 3. QC3.0 fast charge: 5V/3A (Max), 9V/2A, 12V/1.5A + USB-2 5V/1A smart fast charge + PD 4. Bluetooth version: Bluetooth 5.0 5. Effective distance: about 10M 6.Transmitting distance: <5M 7. Support TF card/U disk capacity: ≤32GB 8. Voltage detection range: 6-30V 9. Power supply mode: cigarette lighter power supply 10.Bit rate: 64-320KBPS 11.Harmonic distortion: <0.05% FM: <0.1%) 12.Signal-to-noise ratio: 85db (FM: 65db) Product net/gross weight: 37g/61g Product size: 40.5*52.5*83MM Packing size: 70X45X95mm Packing quantity: 100 sets/carton FCL net/gross weight: 5.9kg/6.7kg Carton size: 405*250*370mm Material: ABS+PC Packing List : Color box + blister + host + manual