Product detailsFeature:1. This product adopts FM full-frequency wirele nsmiion technology and can directly read the audio files in the mobile phone. 2. Bluetooth/TF card/U disk. Supports Bluetooth audio playback and Bluetooth hands-freecalling. lole high-quality audio de; usb car charging function in a multifunctional car MP3.3. USB2.1A charger, Bluetooth version 3.0.4. Support Bluetooth/TF card/U disk player, Bluetooth hands-free calling.5. The screen can show the frequency.6. Support charge while listening to songs.7. Noise cancellation function, built-in noise cancellation circuit, e the call sound clearer.Specification:Interface: High Speed USB2.0Screen: LED screenBluetooth Version: 3.0+EDRBluetooth sound proceing: A2DP(Advance Audio Distribution Profile)Power Source: arette PowerUSB output: 5V/2.1AMemory Card Type: TF CardSupport TF card / U disk capacity: ? 16GBPower supply: DC12-24VSupport file type: MP3FM frequency range: 87.5-108MHzSignal to noise ratio: 85db (FM: 68db)Working temperature: 10?C-70?CBluetooth nsmiion distance :10-15mMaterial:ABSColor:Black/Sier/GoldPackage included:1 Car MP3 PlayerThank you for your attention, if you want buy more than we listed, please contact us.we will be ready to reply you ASAP.