OEM Kensington Pro Fit Ergo Vertical Wireless Mouse for Windows and macOs White Brand: Kensington Model: K75520WW Compatibility: MacOS 10.14 or Above, Windows 7 or Above Item includes: Kensingtone Wireless Vertical Mouse, 2.4GHz USB Receiver, A Single AA Battery Quality: Original Condition: Item is in Perfect condition cosmetically 9 out of 10 if not 10/10. Posted as Grade A since it is not packaged retailed and may show a small detail, and it has been stored in bulk. Fully Working. Features: ? Natural Handshake Position ? Extended Lip for Little Finger ? Six Button Design ? Scroll Wheel ? Plug Play ? Low Battery Indicator ? Nano Receiver Storage ? Ergonomic ? Wireless Specifications: ? Operating System(s): Chrome OS, macOS, Windows ? Compatibility: macOS 10.14 or above, Windows 7 or above ? Connectivity: 2.4GHz USB Receiver, Wireless ? Controls: Customizable Buttons, DPI Adjustment, Scrollwheel ? Number of Buttons: 6 ? DPI: (800/1000/1200/1600) buttons Note: Buying used items is a bold way to protect our planet of unnecessary waste. We are a Wholesale small business based in Florida, dedicated mostly to Cellphones and Accessories, but not exclusively since we get a variety of closeout lots. Selling since 2002 we know the importance of your purchase no matter how much you spend, please know that we will always do the best to resolve any issue. We work Monday to Friday 9 to 5, and answer all questions daily, please give us the chance to fix the problem before opening a case or leaving feedback. We are always willing to work out with you if the price doesn?t seem fair to you, feel free to use Best offer for wholesale orders mostly. Thank you so much for your interest in our items.