Dimensions: 116 x 58 x 37mm Net weight: 115g Shell colors: red, blue, yellow, gold, green, black, orange, and more Shell material: ABS plastic + acrylic Packing: 1pc/gift box Quantity: 50pcs/inner carton and 2 inner/outer carton Carton size: 50.5 x 45 x 31cm/100pcs Gross weight: 15.75kg Net weight: 14kg Mouse resolution: 800DPI Mouse technology: 3D optical sensor (multiple decoded) Interface: USB 1.1/2.0 Powered by: USB (no battery needed), PS/2, combo ports are available System requirements: Microsoft Windows 95/98/2000/NT/ME/XP/Vista/Mac/Linux Operating humidity: 5 - 95% RH Operating temperature: 0 - 40℃ Liquid optical mouse Adopts optical orientation technology High accuracy and reliability Ergonomic design Rainbow LED light inside Zoom in and zoom out function Working on any surface except glass and mirror Accessories: user's manual and USB retractable cable optional Electrical safety: CE Environmental safety: RoHS