Adopted frequency phase lock loop technology and 3D sound coding technology, can read MP3/WMA files on the USB removable disk directly ; Supports Hi-Fi effects of MP3, MD, CD File playback power from car cigarette lighter jack (car 12V DC power) Unique figure design similar to golf-clubs play the last frequency and track number when it restart Surface with nanometer technology frequency display for 7 digital LED Voltage: 12V or 24V DC Operating current: <60mA FM frequency: 200 channels (87.5-108MHz) Auto play and music enjoy, needn't any change 3. Built-in flash memory: 128-4GB Transmitting distance: up to 50 meters *support Voice recode and play *support Remote control