Brand Motospeed Model G380 Quantity 1 Color Blue + white Material ABS Connection Method 2.4G Wireless Connection Type USB 2.0 Operation Distance 10m Tracking Method Optical Resolution 800~1600 dpi Power Supply 1 x AA (included) Supports System Windows 2000 / XP / Vista / 7 Other High speed transmission rate sensitivity; 16 unit wireless working frequency; Auto frequency hopping anti-interfere; Energy-saving and portable; Plug and play; Resolution shift: 800/1600CPI Packing List 1 x Mouse 1 x Receiver 1 x Battery