The Razer Mamba Wireless Dual Sensor Gaming Mouse offers both wireless & wired play, & with gaming grade wireless technology the gaming mouse delivers an unrivalled performance with complete motion freedom. Glorious gaming With an ultra-rapid 1 ms response rate your commands are executed in an instant  beating your opponents to the shot for a sweet victory. The Razer Mamba features an impressive 6400 dpi with a 4G Dual Sensor System with both laser & optical play. With the combination of both you can experience a new level of gaming accuracy. These sensors calibrate the mouse to any surface for pin-point precision. The powerful gaming mouse meets the speed of every swipe & glide & even allows configuration to cut-off distance, giving you more gaming control than ever before. Mamba mouse The Mamba gaming mouse has up to 15% more battery life than its predecessor. You can now take on those marathon sessions without battery failure interruption. When it's time to charge, just place the mouse in the charging dock which also doubles up as a wireless receiver unit. A multi-coloured LED with over 16 million colours can be customised to suit your style or mood. Get on the way to gaming greatness with the Razer Mamba Wireless Dual Sensor Gaming Mouse.