Check the listing for details. Anker 2.4G Wireless Vertical Ergonomic Optical Mouse 1600DPI 5-Button for Laptop. Color: Black, Condition: New. Listed at 27.99 USD. Anker 2.4G Wireless Vertical Ergonomic Optical Mouse, 800 / 1200 /1600 DPI, 5 Buttons for Laptop, Desktop, PC, Macbook Product Details Comfortable and classy.Tired of using the traditional grip? Take a break from overly-clunky or uncomfortably tiny mice. The ergonomically-designed thumb rests and grips fit the contour of your palm for maximum comfort.Sleek and Sexy.Turn heads with a futuristic design. Made for increased functionality and comfort, this mouse combines a handshake grip with easy-access buttons and three levels of mouse sensitivity (800 / 1200 / 1600DPI) for improved tracking.Easy-access use.Five buttons give you improved control over your computer's systems. Whether dragging and dropping, selecting large volumes of data, or casually gaming, this mouse provides a low-cost, effective solution for multiple computing needs.Compatibility:Windows 10 / 8 / 7 / Vista / XP / 2000LinuxMac OS X (The previous/next page thumb buttons are not recognized on the Mac OS X.)Get to know us.We created Anker with a single goal in mind: to make the smart life easier. That means starting with affordable, high-quality gear and ending with a commitment to 100% user satisfaction . After all, we're customers too. Package includes: 1 Anker Wireless Vertical Ergonomic Optical Mouse (2 AAA batteries not included), 1 2.4G USB receiver (in the bottom of the mouse), 1 instruction manual. 18-month hassle-free warranty Shipping PolicyPayment PolicyReturns PolicyAbout Anker All products will be checked carefully and packed in good condition before shipping. Item will be shipped within 1 business day after the payment has been received. -- If you buy more than 3 items and your shipping address is in PUERTO RICO, Please kindly request the total invoice before making the payment or we may ask extra payment before sending your order. Because USPS charge more shipping fees for boxes to Puerto Rico. Shipping Service Delivery Time Delivery Weight Range First Class 2-3 days