Kube SH2045-BLK-LG Bluetooth Speaker BLUETOOTH 3.0 provides Wi-Fi data transfer speeds, faster response time and more efficient power usage -GREEN Kube only available- Dual Channel audio system provides rich sound for strong, low bass and crisp high notes Durable shell with mesh metal creates a trendy look with strong protection and smooth sound 10+ hours of sound with each charge of the built-in lithium-ion battery. Included micro USB to USB cable for charging