5GB Capacity Provides Versatile File And Storage Solutions Hard Disk Drive format allows multi-format usage as MP3 player and mass storage device. Plays MP3 And WMA Music Files And More Plays MP3 files WMA (Microsoft Windows Media Audio) WMA DRM and new formats through Firmware upgrades. Integrated Digital Voice Recorder Use the built-in microphone to record lectures conferences or voice memos with MP3 format. Memory Card Compatibility Convenient SD/MMC slot allows backup and complete file transfers of SD/MMC cards commonly used for digital cameras and other portable digital devices. Plug & Play Usb Mass Storage Drive Move your favorite songs or any data files from your PC or MAC to the player. A Windows or MAC sees the player as a removable storage drive. No file-management software is required just Plug & Play. (Except Windows 98SE) USB 2.0 Speed USB 2.0 transmission speeds of up to 480 Mbps provide fast data and music file transfer rates to and from PCs. Firmware Upgradeable Download firmware and get the latest updates to the operating system expanding functions and features. Built-In Stereo Speakers High output stereo speakers provide headphone free enjoyment and versatility when listening to voice recordings or enjoying MP3s and other digital audio formats. Graphic LCD 5-Line Graphic LCD displays Music Title Play-mode File Format Battery condition Volume Track Number Elapsed time Repeat Equalizer Mode etc. Various User Equalizer Modes Provides 5 basic Equalizer modes ( Normal Rock Jazz Classic and POP) and 10 user defined Equalizer settings so that users can adjust individual settings per preference.