Bring powerful sound to any space with the XB33 Wireless Speaker EXTRA BASS performance creates clear full sound with up to 24 hours of battery life The IP67 waterproof rustproof dustproof and shockproof design is equipped for anywhere life takes you Take further control over your favorite music with the Sony , Music Center app. Connectivity Technology Bluetooth Speaker Type Full Range Brand Sony Model Name SRSXB33/B Recommended Uses For Product Portable Speaker Product Dimensions 10.39 x 4.96 x 5.35 inches Item Weight 2.42 pounds Batteries 1 Lithium ion batteries required. (included) Categories: Audio Systems , Home System , HOME SYSTEMS , Speakers Tag: Sony SRS-XB33 EXTRA BASS Wireless Portable Speaker