The Sony XDRV1BTD Clock Radio is a great go anywhere radio, it has an internal battery that can deliver up to 25 hours battery life off a single charge, letting you enjoy great entertainment through the FM, DAB Radio or stream music from a mobile device via Bluetooth or the built in NFC. Two 45mm full-range speakers deliver great full range stereo speakers inside the lightweight portable device. With a clock visible on display when switched off & a sleep timer, this would make a great useful addition to any house.