4.2 Cordless Speaker in Abs with Bamboo Casing. 1 Rechargeable Li-On 450Mah Battery & Light at the Bottom of the Speaker. Output Data: 3W, 4 Ohm & 5V. Micro USB Cable Included. Playing Time Aprox. 3H. Bamboo is a Natural Product, There May be Slight Variations in Colour & Size Per Item, Which Can Affect the Final Decoration Outcome. Minimum Quantities Apply.