Earldom M14 Fm Transmitter This Earldom M14 Fm Transmitter not only supports Bluetooth Hands-free calls but also music play. Rated operating voltage: 12V Working Voltage limits: 9-26V USB Output: 5V/2.0A 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 EDR Bluetooth sound processing: A2DP(Advanced 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 Color: Gold, Silver, Rose Full frequency FM transmitter Digital 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) technology a call Supports USB output voltage, the maximum output 5V/2.0A Automatic power-off memory function. Package Included: 1 x Bluetooth car kit G7 ? 1 x Audio cable 1 x User manual.