ITSB-421-YEL, : Home Audio & Theater, innovative technology Rechargeable Bluetooth Wireless 50 watt Bookshelf Speakers, Beautiful piano finish looks great anywhere. Built-in rechargeable batteries for a True wireless listening experience. it, Beautiful glossy piano finish, ITSB-421-YEL, Up to 33 feet of range, Yellow, 5mm aux-in jack for use with non-bluetooth devices. Compatible with laptops, Yellow, Features 3, smart phones, Built-in Bluetooth wirelessly streams your favorite music from across the room, our rechargeable Bluetooth Bookshelf speaker packs a huge 50 watt punch in a small space. Speakers feature 50 watts of total power output, Perfect for the home or office. : Home Audio & Theater, it, tablets and MP3 players, innovative technology Rechargeable Bluetooth Wireless 50 watt Bookshelf Speakers.