Delux Mouse M138 Usb

Product details of DELUX M138 USB Wired Optical Mouse (M138BU) . Positioning Accuracy -> Optical Engine, accurate location. Sensitive response. Plug and Play. 2. Small and Delicate -> Enjoy it portability, pocket sized 3. Ergonomics Design -> Fits the hand perfectly, comfortable hand feel, relieves fatigue during usage Performance Parameters: Resolution: 1000 DPI Button Lifetime: 3 million times Working Voltage: 5V Working Current: equal or less than 100mA Interface: USB System Requirements: Compatible with Windows XP, Windows 7 and Windows 8 OS and up