Box Includes: Gmini XS 100, stereo headphones, protective carrying case, lanyard, USB 2.0 cable and power adapter PlaysForSure compatible for protected music content and services ARCLibrary software manages songs to view by artist, album, genre, title -- rename, move, copy and delete files or build your own playlists onboard Up to 14 hours battery life PC & Mac compatible; USB 2.0 (USB 1.1 compatible); Automatic synchronization with Windows Media Player 9 & 10 Color - Black Dimensions - 3.6 x 1.7 x 0.5 Weight - 2.8 oz.