Kenwood Electronics PAD-iP7. Compatibility: K-711, K-1000, R-K1, K-501USB, RD-K501USB, K-511USB, RD-K511USB AX-7, AX-8, C-707i. Power consumption (standby): 1.34 W. Colour of product: Black. Weight: 120 g. Dimensions (WxDxH): 103 x 65 x 31 mm, Power requirements: DC 5 V, 500 mA