PRODUCT GRADING (Grade B) - Good Condition > Very light scratches and light signs of use > Refurbished to the highest standards. Brown Laptop Box (Non-Retail) WHAT IS IN THE BOX Corsair Dark Core RGB Pro Wireless Mouse PRODUCT DESCRIPTION 18,000 DPI Optical Sensor: Play with pinpoint accuracy and precision thanks to a custom PixArt PAW3392 optical sensor, optimised for extremely low power consumption and customisable in 1 DPI resolution steps. Hyper-Polling Technology means it can communicate with your PC at up to 2,000Hz, twice the speed of standard gaming mice, ensuring blazingly fast response times PRODUCT INFORMATION Brand ‎- Corsair Colour - Black Compatible devices - Personal Computer Connectivity technology - USB Product Dimensions - ‎12.7 x 8.9 x 4.3 cm Weight - 142 Grams Batteries - ‎1 AA batteries required