Waterproof Bluetooth Speaker has an unique, fashionable color, smooth tactility, small and portable with a multi-functional integrated design. Specifications: Speaker Diameter: 1.5 inch Output power: 3W Impedance: 4 Respond frequency: 80HZ-20KHZ Bluetooth compliance: Bluetooth V2.1 +EDR Operation distance: Battery: 400mAh / 3.7V Product size: 188 x 50 x 50mm Net weight: 63g Water resistant level: IPX5 Please choose the color when you place an order .If you do not choose the color, we will send you the color of Main Image .