Wireless Mouse 2-4G Ergonomic Vertical Optical Mouse with Nano Receiver 4 Adjustable DPI 800- 1200- 1600-2400 Rechargeable Li-Battery 6 Buttons for Computer Notebook PC Laptop MacBookBlack

Ergonomic Design 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-access use Six 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. Why Choose Us? All Our Products are Produced under Strict Quality Inspection 30 Day Money-back Guarantee and 3-year limited hardware warranty Professional After-Sales Team to Make Things Right within 24hrs Note: The side buttons are not available for Mac OS because the system itself is a closed one, not open to the public, but the other function can be used normally. Specifications: Material: ABS Key number: 6 Buttons Resolution:800-1200-1600-2400DPI( One key switch) Wireless technology: 2.4GHz Operational range: 10m~15m/33ft~50ft Battery capacity: 650mAh rechargeable Li-Battery (built-in) Charging time: 2-3hours  Operation voltage: 3.7v  Operation current: <5mA Weight: 3.3oz/93g Dimensions: 4.05x 2.76x 2.75in/103x 70x57mm  Suitable for:Right handed,Programmer,Office staff,Student,internet surfers, gamers and people who work at length at the computer Compatibility: Windows 8 / 7 / 10/ Vista / XP / 2000, Linux, Android; Mac OS X (NOTE: 1.The two thumb buttons are not recognized on the Mac OS X; 2.This wireless mouse is not compatible with Mac OS X El Capitan).  Package includes: 1x ifun Wireless Vertical Ergonomic Optical Mouse 1x 2.4G USB Nano receiver 1x Charging Cable