1. Effective distance of Bluetooth microphone: 0.5-2M
2. Power supply mode: cigarette lighter power supply
3. USB1 output: 5V/1A
4. USB2 output: 5V/2.1A
5. Memory card type: TF card (within 32GB)
6. Power supply: DC12-24V
7. Supported file types: MP3/WMA/WAV/FLAC
8. Material: ABS+PC
9. Bit rate: 64-320kbps
10. FM frequency range: 87.5-108MHz
11. Signal to noise ratio: 85db (FM: 65db)
12. Applicable models: DC12V -24V universal car
13. Launch distance: less than 10 meters
14. Bluetooth version: 5.0
15. Size: about 4.05x5.25x8.3cm
16. Weight: about 30g

Features:
1. Dual USB3.1A fast charging, with battery voltage detection
2. Support Bluetooth music/TF card/U disk playback, support Bluetooth hands-free calling
3. Support folder switching playback function, song classification playback
4. Support power-off memory function
5. Can charge 2 mobile phones at the same time, support charging while listening to songs
6. Noise cancellation function, built-in noise cancellation circuit, make the call sound clearer
7. With blue soft atmosphere light, three modes of always on/breathing/off are optional
8. Intelligent main control chip, overload / over temperature / over current / short circuit / over voltage / under voltage multiple circuit protection, use with confidence
9. The interface is extended with manganese steel negative shrapnel, and the bite is tight and firm
10. Support one-key bass playback