Collapsible Folding Optical Mini Wireless Mice Cordless ARC Mouse For Laptop Desktop Wireless, Plug 'n Play no installation necessary, 10 meter operating range High qualityKeystroke Lifetime : over 3 million times, right or left handed Bonus: Starter Batteries includedFrame rate : 2300 frames/ second Resolution : 1600 dpiWheel Lifetime : over 200 thousand rolls