Xiaomi Square Box 10 Hours Bluetooth 4.0 Handsfree Wireless Mini Portable Stereo Bass Speaker White Aluminum for Xiaomi iPhone Android Phone. Standby time up to 10 hours, wonderful sound. Outstanding high, clean and transparent and supper bass sound. High Capacity Li-battery: Plays about 10 hours, easy to carry when go out. Square design, ABS and aluminum alloy material makes it decent and elegant. Support Blue 4.0, valid scope can reach 10m. Better compatible and save power. Buy this Speaker and Get 12% Off for Original Xiaomi Square Box 10 Hours Bluetooth 4.0 Handsfree Wireless Mini Portable Stereo Bass Speaker White Aluminum for Xiaomi iPhone Android Phone.