Harman Kordon Onyx Studio 7

Sound Output: 50W RMS power via 1 x 120mm woofer and dual 25mm tweeters for true stereo sound. Battery Life: Up to 8 hours of playtime, powered by a rechargeable Li-ion battery. Connectivity: Wireless Bluetooth streaming (version 4.2) allowing connection for up to two devices at once. Design: Premium fabric grill mesh with an integrated aluminum handle that doubles as a sturdy base.Dimensions & Weight: 268.0 x 302.5 x 159.5 mm; weighs about 3.3 kg (7.26 lbs).