4 in 1 Wireless Hands Free bluetooth FM Transmitter MP3 Music Player Car Charger

   Description: Rated operating voltage: 12V Working Voltage limits: 9-26V USB Output: 5V/2A Working Temp: 0-50° Support Play format: MP3 WMA SNR: >60db Distortion: <0.1% Frequency Response: 20Hz-15Khz Left and right channel separation: >60db BT Version: Version 2.1+EDRColor: Gold, Silver, Rose-Gold bluetooth sound processing: A2DP(Advance Audio Distribution Profile) bluetooth transmission distance: 10M bluetooth microphone effective range: 0.5-2M FM transmission frequency: 87.5-108Mhz FM transmitter mode: Stereo digital PLL locking Full frequency fm transmitter Digtal display Supports line audio input With power off switch (usb direct connect) Supports U disk TF card player Supports mp3, WMA format music  bluetooth answer, hang up, reject, redial calls and other functions bluetooth stereo music play Echo cancellation and noise supports (CVC) technolony a call Supports USB output voltage, the maximum output 5V/2.5A Automatic power-off memory function   Package Included: 1x blu