Features: High-end optical engine, precise positioning, smooth mouse control. 4 buttons, including scroll wheel, left button, right button, DPI switcher, with adjustable 800 /1200 / 1600 DPI. Intelligent connectivity, driver is installed automatically, no need to code, plug and play. Suitable for office, graphics and games. Ergonomic design, suitable for most people’s hand feeling and ensures you cannot feel fatigued after working for a long time. Luxurious 7 bright colors showing in turns, create colorful breathing backlight atmosphere, giving you a colorful visual effect. Specification: Material: ABS Tracking system: optical Connection: wired(No macro programming) Cable length: approx. 150cm USB interface : USB 2.0 DPI: 800/1200 / 1600 DPI Adjustable Voltage rating / electric current: DC 5V / 100mA Switch life: 5 millions switch life Light effect: colorful (Free transform) Support system: Windows 7 / 8 / 2000 / XP / Vista Mac OS or latest Item size:12.4*6.3*3.9 cm /4.88 *2.48*1.54 in(L * W * H) Item weight: Approx.109g /3.84oz Package size:13.8*9.8*4.9 cm / 5.43*3.86*1.93 in(L * W * H) Package weight:138g /4.87oz Packing list: 1 * Wired Mouse