External Memory : NoBalanced Out : YesAudio Format Support : MP3, WAV,FLAC,APE,mp3Dimensions (WxHxD) : 75.50MMBattery Specification : External PowerSupports FM : YesHave Speakers or not : YesBluetooth : YesBattery Life : > 20 hoursOperation Mode : Touch Screen + Remote ControlSupports Recording Function : YesScreen : YesFunction : Voice Recorder,FM Radio,BluetoothPackage : YesStyle : Car MP3Body Material : PlasticCertification : NONESignal Noise Ratio : ≥89dBModel 2 : : Black without amplifierModel 1 : : White without amplifierBluetooth version is 5.0DC: 6-12VMusic format: MP3 / WMA / WAV / FLAC / APE lossless formatRadio FM frequency: 87.5-107.5 MHZSupport function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control operationSupport power off memoryPanel size: 75 * 50 MMDescription of call recording function1. Long press the MODE button to start recording, and long press the MODE button again to cancel the recording function;2. Press the MODE button again to play the recording file;3. A storage device must be connected when recording, for example: U disk or TF card;4. To answer the call, you need to press and hold the pause button to connect to the call.Package Contents:1 x decoder1 x remote control (without battery)4 x CablesModel 1 :Model 2 :