TrekStor i.Beat 71510 Sweez FM 1GB MP3 Player (Silver) Display LCD, Playable file formats MP3, WAV, WMA and supports WMA-DRM10 (Janus) Stereo FM radio, Direct recording from radio, Voice recorde, digital clock, alarm function Powerful lithium-polymer Battery, charged via USB; Up to 13 hours of operating power Adjustable speed play, delete function, resume & shuffle, 11 languages Hi-Speed USB 2.0 (compatible to 1.0) Supports: Windows ME, 2000, XP, Vista, Mac OS X, Linux