... ,Self-defined,Bass,Jazz,Play-FXBuilt-in Microphone, Digital Recorder, A~B Repeat Energy-conservation settings, Freely adjustable brightness, Self-definition ... play modelsSupport FM Radio Function,Line in recording USB 2.0 High Speed transmission at the rate up to 4M/S ... ,TV OUT functionTF card slotProduct specification Solution ROCK2706 Net Weight 0.07kg Unit Size 88*55*12MM Optional Capacity 512MB-8GB ...