These wireless speakers take it to the next level with their realistic rock design. With ipx5 waterproof protection, you can have your soundtrack poolside, at the lake, or at a bonfire. Feel free to keep the party going all day or night with up to 9 hours of battery life. Number of Batteries: 1 Number of Speakers: 2 Included: 2 Speaker(s), 1 Instruction Manual(s), 2 Usb Cable(s) Features: Rechargeable, Bluetooth Compatible, True Wireless, Water Resistant Battery Type: Lithium Ion Inputs/Outputs: 1 3.5mm Audio Input(s) Manufacturer Warranty: 90 Day Parts Limited Peak Power Handling: 20 Watts Power Source: Battery (included) Rms Power: 5 Watts Watts Per Channel Rms: 10 Watts Measurements: 9.88 Height/Inches, 9.45 Width/Inches, 9.6 Length/Inches Minimum Frequency Response: 80 Hertz Maximum Frequency Response: 18 Kilohertz Weight (lb.): 5.5 Lb Country of Origin: Imported