Extended Playtime: Built-in Li-Ion rechargeable battery powers up to 20 hours of playtime at 50% volume. Recharge in 3-4 hours with the included micro USB cable. Portable and Versatile: Enjoy high definition stereo sound with impressive volume whether you're lounging, partying, camping, hiking or biking. Water-resistant Protection: With IPX5 Water-resistant, the DOSS Soundbox Touch speaker can work against water and other liquids gentle splash. A good choice for summer days, poolside or beach parties, keep the music on your way. Capacitive Touch Control: DOSS touch portable speaker makes it easy to control the mood and energy of any party by giving you fingertip control of the tracks you're playing, their volume and more. Superior Sound Quality: Enjoy your music in 12W full-bodied stereo realized through dual high-performance drivers and unique enhanced bassgertip control of the tracks you're playing, their volume and more.