XWAVE Echo 6 Hi-Fi Portable Wireless Bluetooth Speaker with Built-in Microphone with 12 Hour Rechargeable Battery, Red, 6 Watts Unadulterated Hi-Fi, Stereo, 360-degree surround sound on the go or indoors Unique speaker driver technology makes this wireless Bluetooth speaker powerful yet ultra light, super thin, and amazingly stable and distortion-free even at high volumes Up to 12 hours (6W)