Brand KSD Model 108A Quantity 1 Color Yellow + Black Material ABS engineering plastic Connection Method 2.4G Wireless Connection Type USB 2.0 Operation Distance 10m Tracking Method Optical Resolution 600 / 800 / 1000 / 1200 / 1600 dpi Power Supply 2 x (1.5V) AAA battery (included) Supports System Windows 2000 / XP / Vista / 7 Other Adopts ergonomics design; High-performance optical chip without any delay; 2.4GHz wireless transmission technology; Refresh rate: 6400 fps; Rate of return: adjustable 125-1000Hz; Smart energy-saving just move then can awaken the mouse; The number of keys: 6; Carrier frequency: 2402MHz-2480MHz; Supply voltage: 3V; Maximum accelerated speed: 15 inches per second; 600/800/1000/1200/1600 five-gear DPI speed free switching; Smooth and stable operation high performance and more accurate positioning; Strong game optical engine system is good at different competitive games; High-quality key design smooth click; 5000000 times super long key life easily meets the work applications and game entertainment needs. Packing List 1 x Wireless mouse 1 x 2.4GHz receiver 2 x AAA batteries 1 x Chinese user manual