Viwind 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,MacBook(Blue)
Brand: Viwind
Color: Blue
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 ergonomic mouse provides a low-cost, effective solution for multiple computing needs.

Why Choose Us?
All our vertical mouse 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 of the ergonomic mouse 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 of vertical mouse:ABS
Key number: 6 Buttons
Resolution:800-1200-1600-2400DPI( One key switch)
Wireless technology: 2.4GHz
Operational range of mice: 10m~15m/33ft~50ft
Battery capacity: 650mAh rechargeable Li-Battery (built-in)
Charging time of ergonomic mouse: 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.The wireless mouse is not compatible with Mac OS X El Capitan).

Package includes:
1x Viwind wireless vertical ergonomic optical mouse
1x 2.4G USB Nano receiver（Pack with charging cable）
1x Charging Cable
Built-in Rechargeable Li-Battery with Auto-sleep Function:The Viwind wireless mouse has 650mA battery capacity,only about 3 hours full charging time needed and support 720 hours working.The ergonomic mouse can enters power saving mode automatically after 8 minutes idle,press any button can wake this vertical mouse up,conserves power and extends product life.If the computer mouse lack of power,connect the charging cable,and it can work simultaneously
Scientific Ergonomic Design with Next/Previous Buttons:Contoured shape, sweat-resistant ,skin-friendly finish,added next/previous buttons to browse web page faster,sturdy scroll wheel with rubber oil coating that prevents fingers from sliding,the ergonomic computer mouse allow for natural hand positioning and ultimate comfort. It eases tension on the wrist and hand for right-handed users.Encourages healthy natural "handshake" wrist and arm positions for smoother movement and less overall strain
4 Adjustable DPI Levels:800,1200,1600,2400, easily change the cursor sensitivity depending on your activity. Resolution optical tracking technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces.Best for things that require precision like color correcting and photo edits or make it faster for browsing
Plug-and-play and Wide Compatibility:The ergonomic mouse comes with a USB Nano receiver, plug and play directly.2.4GHz wireless technology ensure longer working distance-up to 33ft in 360 degree with no interference.Well compatible with Mac OS X, Linux and all versions of Windows such as Windows7/8/10/XP etc.Fits for desktop,laptop,PC,Macbook and other devices
Warranty:We support 30 Day Money-back Guarantee and 3-year limited hardware warranty for this vertical ergonomic mouse,feel free to contact with us,our service team are always ready to support