ship from Japan wireless Interface]: USB HID specification version 1.1 compliant * Can also be used with USB 3.0/2.0 interface. Connector shape: USB connector (A type)* Color: White Communication range]: Wooden desk (non-magnetic) / radius approx. 10m, Steel desk (magnetic) / radius approx. 2m Resolution:1000count/inch Reading method]: Blue LED sensor method Button]: 2 buttons, wheel (scroll) button, count switching button Please check the Sanwa Supply website for product support and details. Size: Mouse: W51 x D82 x H31mm Receiver: W15 x D19 x H6mm Compatible models: Windows-based (DOS/V) PCs, Apple Mac series * Models with a standard USB port (A-type connector)