The Dorne aluminum bluetooth speaker is sure to get anyone s attention! The aluminum speaker body produces a crystal clear sound that can be heard for over two hours at max volume. With a 3W output the bluetooth speaker will be sure to fill out your office or room with crystal clear sound. Colours: Black. Sizes: 70mm(w) x 45mm(h) x 70mm(d). Features: The bluetooth speaker also features a FM radio tuner, Micro SD card input, and a USB input. So music can be played from the radio, Micro SD Card, or a Flash Drive! The speaker features built in music controls and a microphone for hands free operation. Bluetooth Version 4.2. Bluetooth working range is 10m. Packaging: Presented in a plain black tuck box. Materials: Aluminium