Hands-free Bluetooth Receiver with Transmitter

Bluetooth Hands-free Car Kit. Its a Receiver, Audio Stereo FM Transmitter, MP3 Player And Car Charger Item Number: BC28-TT Spec: Equipped with professional-grade Bluetooth chip for high performance, MP3 music from your mobile phone can be transmitted by wireless to car stereo through Bluetooth connection, Hand-free calling is also supported.  Enjoy music and hands-free calls during driving. Rated working voltage         12V~24V Limit working voltage           8-27V USB output    Dual USB output Max:5V/3.1A Working temperature           0-60°C Charging identification         USB2 support 5V/2.1A  Battery voltage display accuracy     Error±1V SNR     >60dB Degree of distortion  <0.1% Frequency response  20Hz-15Khz Left and Right Channel         >60dB Bluetooth version     Version 4.2+EDR Bluetooth sound processing            A2DP (Advance Audio Distribution Profile) function supported Bluetooth transmission distance     Barrier-free within 10M Effective distance of Bluetooth mi