Optical Mouse with mini size, multicolor, smart apperance is made of hi-grade material. 2 buttons with 1 scroll wheel design. Optical Mouse ... M811 Description 1) Opticalmouse , elegant design suitable for Europen or Asian 2) Mini product size, ... make your work more accurate and fast 8) Compact optical mouse with 3buttons and 1 noiseless scroll wheel 9) Certification ...