Vertical Computer Mouse

- Ergonomically designed with optical tracking technology, works on many different surfaces and ideal to use for home, office or gaming.  - Wireless 2.4 GHz  portable optical mouse with comfortable touch. - System support: Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, Mac OS, Windows ME, Windows 8  .     This item is NOT sold in stores! Guaranteed Safe Checkout: PAYPAL | VISA | MASTERCARD | AMEX | Discover Click ADD TO CART To Order Yours NOW! 100% Satisfaction Guaranteed With Every Order. *Due to high demand please allow up to 3-4 weeks for delivery. This Item ships from our international supplier.