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. Easy to use Comfortable touch, working on many different surfaces and ideal usage for home, office, or game 3 Adjustable DPI 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). High precision means you’ll enjoy smoother tracking on just about most surface Convenient You can browse web pages faster with the added next/previous buttons located on the side of the mouse. There is also an auto-sleep feature that conserves power and extends product life Product Details: DPI: 800-1200-1600 Superior Ergonomic Design: Make your hand comfort Button: 5 buttons in default / 1 scroll wheel (middle button) Package Includes: 1 * Wired Vertical Ergonomic Optical Mouse NOTE: Due to the innovative design of this ergonomic mouse, you may initially find it difficult to use. Please continue use over several days to grow accustomed to and enjoy the full comfort of the design If you have any question or problem,please contact with us,we will try our best to help you

?Wide Compatibility?Well compatible with Windows 7/8/10/XP, Vista7/8 and Linux, etc. Fits for desktop, laptop, PC, and other devices. ?Easy to Use?All buttons is easily operable without contorting your fingers. The button force is light for easy clicking, but still firm enough to avoid accidental actuation. Added next/previous buttons provide convenience when webpage browsing; the superior choice for internet surfers, gamers and people who work at length at the computer. ?Extremely Low Power Consumption?No need any driver, plug and play directly. Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. Right-handed mouse. Dimensions: 10.5 x 7.5 x 6.5 cm. Net Weight: 4oz, portable and weight light, very convenient to carry and store. ?3 Adjustable DPI?800-1200-1600 DPI resolution optical tracking technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. ?Comfortable Design?The vertical design provides better support for your forearm minimizing wrist pain that can come from twisting. You will remain comfortable even after long hours of clicking, tracking, and scrolling, It eases tension on the wrist and hand for right-handed users.