Naturally hand crafted and beautifully designed with great performance, the  MI SQUARE Pocket Bluetooth Speaker makes your portable music experience seriously matter. Made with solid natural Asian bamboo, German Cherry and American Walnut wood and powered by a long-lasting integrated rechargeable battery, the MI SQUARE Pocket Bluetooth Speaker is a very handy object to travel with, no matter where you go and what you do. It delivers you seriously great sound in a small and neat  natural wood square. Available in natural Bamboo, Walnut and Cherry wood and Packed in a premium gift box. Mono 40mm speaker driver Output power: 3W Horn resistance: 4Ω Strong bass with diaphragm Powered by Li-polymer rechargeable Battery 500mAh Premium fabric USB charging cable included Battery Life: 3-6 hours(depends on the volume) Input power: 5V, 500mA LED charging/playing/pause indicator Product material: solid American Cherry wood square case + fabric front face Product Size: 70mm * 70mm * 28mm Product Weight: 95g