... ,read USB FLASH &SD memory card,play mp3 format music 3,FM radio 4,LED display Product Description1. Material: ABS2. Speaker ... USB Flash Drive.4. Can connect all MIDI devices with 3.5 audio interface to play music, like the digital products ... controller6. Built-in Lithium battery.7. LED diaplay screen.8.3 power supply modes: Built-in Lithium battery, connect to PC ...