Brand Motospeed Model V9 Quantity 1 Color Black + yellow Material ABS Connection Method Wired Bluetooth Version No Connection Type USB Cable Length 170 cm Tracking Method Optical Resolution 800 / 1600 / 2000 / 3200 dpi Power Supply USB powered Supports System Windows XP / Vista / Win 7 / Mac OS 8.6 or above Other Ergonomic design anti-slip design of the side; Comfortable and high performance; 3D rolling wheel 4-mode speed up to 3200dpi; High sensitivity design which is 2.5 times of normal mouse; Image processing speed 4500 frames/s; 100HZ/s response speed; 5000000 times ultra-long life; Low radiation; Using Omron Micro with a superior click sense; Professional gaming chips enhance the anti-interference ability of the mouse data transmission Packing List 1 x Mouse 1 x Chinese / English / Japanese user manual