G18 Car Bluetooth Hands-Free MP3 Player Dual USB Bluetooth Charge FM Transmitter Bluetooth Receiver 1. Interface: USB2.0 2. Screen: LED screen 3. Bluetooth version: 4.0+EDR 4. Bluetooth sound processing: A2DP (Advance Audio Distribution Profile) 5. Power supply: cigarette lighter power supply 6. USB output: 5V2.1A 7. Memory card type: TF card 8. Support TF cardU disk capacity: within 16GB 9. Power supply: DC12-24V 10. Support file type: MP3 11. FM frequency range: 87.5-108MHz 12. Signal to noise ratio: 85db (FM: 68db) 13. Bluetooth transmission distance: about 10-15m 14. Material: ABS Features: 1. Using FM full-frequency wireless transmission technology, it can directly read audio files in mobile phone BluetoothTF cardU disk 2. Support Bluetooth audio playback and Bluetooth hands-free calling 3. Lossless high-quality audio decoding 4. Support BluetoothTF cardU disk player, Bluetooth hands-free call 5. The screen can display the frequency 6. Support charging while listening to songs 7. Noise reduction function, built-in noise reduction circuit, make the call sound clearer