M3 Mini Wireless Bluetooth Round Speaker for Home, Picnic, Indoor and Outdoor

Speaker Type: Portable SpeakerBody Material: Metal3W audio driver produces impressive, rich, clear, sound at volumes you wouldn't expect from such a small packageItem Dimension: Height: 1.3 inches (3.3 CM) Width: 1.8 (4.6 CM)Battery: 400mAH. Playback time: 4hrs.