This Wireless Vertical Mouse adopts 2.4G wireless technology which ensures stable connection and offers 3 DPI levels for choice. What's more, with vertical design, it will relieve wrist fatigue to some extent.

Feature:
2.4G Wireless Technology
It ensures the stable connection and free you from the twisting cables.

3 Adjustable DPI Levels
It offers you a pleasant sensation of higher speed, less delay and more correct location.  

Ergonomic Vertical Design
Compared with traditional mouse, the vertical design relieves the fatigue of your wrist, and offers you comfortable feeling for touch. 

Optical Tracking Technology
It ensures more correct location.

Plug and play
No drivers required, just plug the USB receiver into the USB port of the device, easy to use. 

Specification:
Brand: YWYT
Operating distance: 10m
Rated voltage/ current: 1.5V/ 20mA
Power supply: 2 * AAA battery (Not included)
Color: Black
Button quantity: 6
DPI level: 800/ 1600/ 2400
Supported system: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10 / Vista Mac OS or above 
Keystroke life: 8 million times
Material: ABS
Item weight: 88g/ 3.1oz
Package size: 12* 8.5 * 8.2cm/ 4.72* 3.35* 3.23in
Package weight: 119g/ 4.2oz

Packing list:
1 * Wireless Vertical Mouse
1 * USB receiver