With the SteelSeries CS2 Dragon Lore Edition wireless mouse you'll land every shot. The TrueMove Air 18K DPI optical sensor tracks every subtle movement and fast flick precisely. Get into some rapid fire action thanks to the ultra-low 1.9 ms click latency. And 18,000 DPI gives you pinpoint precision. So you can dominate your opponents with speed and accuracy. Good to know  - Switch between 2.4 GHz wireless and Bluetooth for both competitive play and casual browsing - Get up to 80 hours of battery life on 2.4 GHz and up to 200 hours on Bluetooth - Its on-board memory lets you save up to five DPI profiles, so your setup can travel with you- The six programmable buttons puts your favourite shortcuts at your fingertips- PTFE glide feet makes sure that your movements smooth and effortless