Samsung YP-Z5AB 4 GB Digital Audio Player (Black) Ultra-slim 4 GB flash memory digital audio player in black; weighs just over 2 ounces Compatible with MP3, OGG Vorbis, WMA, and WMA-DRM10 music files and JPEG images Works with PlayForSure online music stores and subscription services such as MTV's Urge, Napster, Rhapsody Durable aluminum body prevents scratches and smudges; 1.8-inch color LCD screen Up to 35-hour battery life; connects to Windows PCs via USB 2.0