Dimensions: 102 x 55 x 32mm Net weight: 70g Shell color: natural bamboo color Shell material: bamboo Printable area: 20 x 15mm Packing: 1pc/gift box Gift box size: 10.5 x 6 x 4cm Carton size: 50 x 44 x 29cm Gross weight: 13kg Net weight: 11kg Performance characteristics Mouse resolution: 800DPI Mouse technology: 3D optical sensor Interface: USB 1.1 / 2.0 or PS/2 optional Powered by: USB (no battery needed) Connection: PS/2, USB, and combo is available System requirements: IBM, Microsoft Windows 95/98/2000/NT/ME/XP/Vista, Mac, and Linux Button’s lifespan: >1,000,000 times Operating humidity: 5 - 95% RH Operating temperature: 0 - 40℃ 100% original Chinese bamboo material cover, green product Classical and excellent appearance Ideal for promotions and gifts Anti-dirt and anti-scoring Can equip with bamboo keyboard Hot-swap and Plug-and-play function Polishing, smooth cover skin Electrical safety: CE Environmental safety: RoHS