Features of Xinc AV 1) Images and video clips are supported by 260,000 color 2) Hi-speed USB 2.0 3) Rechargeable lithium polymer battery (Over 15 hours of playback time for music files) 4) Powerful and natural sound. Hi-fidelity audio output (25mW+25mW) 5) FM Tuner and Preset user-defined recording scheduler (Auto channel saving) 6) Voice recording via built-in and external microphone 7) Digital Rights Management (MS-DRM, X-Sync DRM) 8) Direct Encoding 9) Digital watch and alarm 10) 45 different