hi-Fun HI-Bomb. RMS rated power: 1.8 W, Frequency response: 100 - 20000 Hz. Battery life (max): 2 h. Dimensions (WxDxH): 50 x 52 x 64.5 mm, Weight: 52 g. Colour of product: Black. Compatible products: iPod, iPhone, Speaker power: 2.4 W