DescriptionFit to all types of vehiclesFull frequency FM transmitterDigital displaySupports MP3 player audio inputSupports U disk playerSupports MP3/WMA music formatSupports automatic power-off memory functionWith power off switch (USB direct connect)Bluetooth answer， hang up， reject， redial calls etc.Bluetooth stereo music playEcho cancellation and noise suppression (CVC) technologySupport listening Cell phone's music and answering calls via bluetoothSpecification:Frequency Response:20Hz-15KhzFM Transmitter Frequency: 87.5-108MhzSupported Format: MP3， WMARated Operating Voltage:12V-24VUltimate Operating Voltage: 9-26 VSNR Ratio > 60dBLeft/ Right Channel Separation > 60dBBluetooth Version: 2.1 + EDRBluetooth Transmission Distance: 10 metersPacket Include : 1 x Car Kit Bluetooth FM Transmitter1 x User Manual1 x Audio Line