Vehicle Bluetooth receiver $ 8.97 Working voltage: 12V Working voltage limit: 9-26v USB output: 5V / 2A Working temperature: 0-50 degrees Support playback format: MP3 WMA SNR: 60dB Distortion: 0.1% Frequency response: 20hz-15khz Separation of left and right channels: 60dB BT version: version 2.1 + EDR Bluetooth sound processing: A2DP (advanced audio distribution profile) Bluetooth transmission distance: 10M Effective range of Bluetooth microphone: 0.5-2m FM transmission frequency: 87.5-108mhz FM transmitter mode: PLL stereo digital lock