Features: Bluetooth hands-free function 1.8 inch TFT(Color)Display the FM frequency/track Bluetooth hands-free kit, with built-in microphone Support USB disk and support TF card Excellent voice quality, use the DSP technology to echo cancellation Double USB charging ports
Specifications : Bluetooth specification 3.0 Frequency range: 87.5-108MHz Output Frequency: 20Hz-20 KHz Supply voltage: 12-24V USB Charge output: 5V/2.4A (MAX) Support file format: MP3/WMA/FLAC/WAV USB Maximum support: 32G Micro TF Maximum support: 32G