Wireless Portable bluetooth Speaker: Enjoy a high definition stereo sound with an impressive volume whether you're lounging around the house, or partying, walking out, camping, hiking, biking. Extended Playtime: Built-in Li-Ion 1200mAh rechargeable battery guarantees up to 10 hours playtime in 75% volume. Recharge in just 3-4 hours with included micro USB cable. Superior Sound Quality: Enjoy your music in 10W full-bodied stereo realized through dual high-performance drivers and unique enhanced bass. Bluetooth 4.0 Technology: Equipped with advanced technology and compatible with all bluetooth compacity devices. Speaker would automatically reconnect to the last device used. Flashing Light+Sleep Breathable Light: Compact quality, the gradient colorful bluetooth speaker let you enjoy HD subwoofer great sound music in the ear while enjoying a visual feast of a fantastic crystal gradient! Applies to video, games,