A8 Portable Wireless Bluetooth Speakers with HD Sound Micro SD - Red (Chinese Version)Key Features...Full, High-Def Sound with a small body, Super compact design ,40mm 3 W driver, with subwoofer resonator.Bluetooth 4.1 technology: Equipped with the advanced technology, compatible with all Bluetooth devices.Long Playtime, Fast Recharge: Built-in 1000mah li-battery ,Enjoy 12 hours of music at 60% vo..