Continuous-play MP3 digital player with 90-minute recording capacity (upgradable to more than 140 hours with 2GB SD Card. The OHP 6000 is suitable for background music, storecasting or music/message on-hold applications. Want more time? Simply slide in an SD card (any retail SD card will do). With a 1GB SD card, you can have over 70 hours of audio content. Continuous playback begins immediately. Select a specific track or play all tracks in memory, the choice is up to you. The OHP 6000 comes pre-loaded with nearly 3 hours of licensed music and messages, so it’s ready for use right out of the box.