Parameters:Frequency Response: 20Hz-15KhzTransmission Frequency: 87.5-108MHzSupported Format: MP3、 WMARated Operating Voltage:12 VUltimate Operating Voltage: 9-26 VSNR Ratio > 60dBMIC Range: 0-2mAudio Distortion Degree: 0.1%Power Consumption: 1WWork Temperature: -20-50 DegreeBluetooth Version: 3.0Bluetooth Transmission Distance: 10-15mDimensions: 11 x 4 x 3 cm/4.33'' x 1.57'' x 1.18''(Approx.)Color: BlackPackage Includes:1 x Hands Free Car Kit FM Transmitter1 x Remote Controller1 x Button Battery for Remote Controller