Bolayu New Cobra Optical 1600 DPI USB Wired Gaming Game Mouse For PC Laptop Resoulition adjustable in driverless-free drive. Intelligent connectivity. no need to code, plug & play. Built-weight iron, feel comfortable, mobile and stability. The USB cable length is up to about 1.5m. Switch Life: 3 million cycle. Size: 127 x 64 x 39mm. Buttons: 6 buttons with scroll wheel(Two Side-Buttons).