... with 2 covers for chaning by built-in magnet operationSeriesmouse,wireless mouse,optical mouse,laptop mouse,desktop mouse,computer mouse, ... PC mouse,gift mouse,3D mouseName2.4GHz wireless optical mouse with blue track technologyModel No.HS-605I- ... voltage/current DC 1.5V/22mAPower supply 2 AAA batteriesType wireless,optical,3DSystem support Windows ME/98/2000/XP/Vista/ ...