WIFI:NoDSP:- DAC:- Dimensions (WxHxD):- Body Material:plastic Bluetooth:Yes Supports EBook Reading:No Operation Mode:Touch Tone Storage Type:Flash Memory Have Speakers or not:No Supports FM:Yes Battery Specification:External Power Signal Noise Ratio:89dB Supports Recording Function:No Display Size:None Package:No Function:FM Radio,bluetooth Model Number:MP3 WMA Decoder Board Style:Car MP3 Battery Life:> 20 hours Screen:Yes Balanced Out:No External Memory:No Audio Format Support:MP3,WMA Origin:Mainland China Certification:CE battery:no includes Feature: Input voltage: 9-12V Dimensions: 106*25CM LED color screen: digital screen display, showing red * Support USB(up to 32GB), SD(TF),AUX,FM * Support bluetooth (after been paired with mobile phones can realize wireless music play) Infrared receiving module AUX: audio input interface VOL-: Short press is to select the previous song; long press is to decrease the volume PLAY/PAUSE: Short press is the switch between pause and play; long press is the FM FM automatic station VOL+: Short press is to select the next song; long press is to increase the volume MODE: Switching of USB/TF/FM/LINE IN/BLUETOOTH Package include: 1 X MP3 Decoder Board 1 x Remote control (no Battery)