1. MP3(64Kbps-320Kbps),WMA(64Kbps-384Kbps),APE,FLAC 2. Stereo speaker L(10mW)+R(10Mw)[32 Ohm] 1. MP3(64Kbps-320Kbps),WMA(64Kbps-384Kbps),APE,FLAC2. Stereo speaker L(10mW)+R(10Mw)[32 Ohm]3. 400mAh li-polymer battery4. 20hrs music playing(with earphone)5. Flash capacity: 1G-8G6. USB 2.0, up to 2.5M/S7. Lock function8. Measure 80x34x16mm