The Sony NWZ-S764BT is a simple and compact 8 GB wireless media player that lets you enjoy songs anywhere, anytime with high quality. The wireless design of the Sony digital media player makes for a comfortable audio experience. The long-lasting battery in the 8 GB wireless media player allows up to 50 hours of music playback on a single charge. The Sony NWZ-S764BT employs true premium sound technology, so that the songs can be delivered with crystal clear sound and a deep bass effect. Using USB interface, you can connect the Sony digital media player to a PC for transferring your favorite playlists from windows media player. As the Walkman is Bluetooth-enabled, you can link the Sony NWZ-S764BT to other Bluetooth-enabled devices like car stereos and home theaters, enabling easy sharing of music over a speaker system. The built-in recording function helps you to record audio in a meeting, class or when you are on the go.