 Some of the features on this device include Bluetooth stereo headphone compatibility with support for multiple sets of headphones and also sports Bluetooth phone connectivity with the ability to use your stereo headphones with your cellphone and speak through the built-in microphone on the player itself.The player also supports file transfers via Bluetooth.Another feature is the drag-and-drop interface for uploading music to YP-P2 which makes it easy interface to managing your media collection.