The Breeze wireless speaker connects wirelessly up to 30 feet away and is compatible with most Bluetooth-enabled smartphones, tablets, laptops and desktop computers. The rechargeable, lithium battery will charge in about an hour and deliver up to three hours of wireless play. It features a wrist strap, on/off/Bluetooth pairing switch, and charge indicator light. Output: 3w. FCC ID, MSDS, UN38.3, Prop 65, 7P, BQB-QDL certified.