Optical Wireless Mouse - Crystal Case Rhinestone Bling USB Slimline Flat Computer Laptop Mouse (Silver) Simple 3 button design includes a rubberized scroll wheel Slim and efficient construction features superior optical sensitivity as well as a storage slot for the included nano receiver Compatible with all Microsoft Windows, Apple iMac & Macbook, and Linux desktop and laptop computer systems Hand laid rhinestone crystals adds sparkle and bling to your office space Requires 2 AAA batteries (not included), measures 4.5" x 2.5" x 0.8"