iriver PMC120 20 GB Portable Media Center Plays digital music and video files Synchronize your media library with Windows Media Player Intuitive Windows Mobile-based Portable Media Center interface 20GB of internal storage. Store up to 80 hours of video or up to 600 hours of music. Wide 3.5 inch vivid color display Supports secure transfers from Windows Media Player. Connect to your home entertainment system. Built-in speaker. Store or transfer files of any type. Rechargeable, replaceable Lithium-ion battery. Up to 14 hours of battery life (audio) Up to 5 hours of battery life (video). Up to 80 hours of video using 320 x 240 at 500kbps AVI format. Up to 600 hours of music using Windows Media format at 64kbps.