Features: Wired mouse,3 buttons design, suitable for office use or gaming use. 1200 DPI, designed for accurate position and sensitive operation in games, it is quite capable of office and game. Built in independent weights in the mouse,in order to meet different hand feeling needs of players,the weights design allows customization for better stability and accuracy. Ergonomic arc design,awesome hold feeling, fit your palm closely,effectly reduce the fatigue after long time using, suitable for different holding gestures. 7 kinds of backlight effects, bring you dazzling visual experience when playing games. With non slip and wear resistant scroll, effortless and comfortable to use. Specification: Brand: T-WOLF Model:V1 Color: Black Cable Length: 1.35M Interface Type: USB Button Quantity: 3 DPI: 1200 Backlight: 7 color backlit Work Method: photoelectric Item Size: 13*6.8*3.9cm/5.1*2.7*1.5in Item Weight: 95g/3.4oz Package Size: 19*8.2*4cm/7.5*3.2*1.6in Package Weight: 116g/4.1oz