#USB #Wireless #Vertical #Ergonomic #Wrist #Healing #Optical #Mouse #For #PC #Laptop #MAC# 100% brand new and high quality Color: Black / Blue / Purple / Gray A genuine Ergonomic mouse with vertical design, adding more comfort to the wrist. Arched mouse back with arc ring design, can perfectly fit the natural state of the palm. Professionally designed for office staff and gamers. The right, left and roller key are uniquely deigned on the side, which can place the hand under the most relaxed state during using thus reduce the fatigue of the hand. The right side of the mouse is equipped with the function of forward or back to turn pages, which makes your work more convenient and flexible. Built-in rechargeable lithium battery, more convenient and practical for use. Connection method: Wireless Connection port: USB 2.0 Wireless range: about 10m Battery: Built-in rechargeable lithium battery Charging time: about 30 mins for desktop, and about 90 mins for laptop PC Compatible with:Win98/2000/XP/VISTA/7/MAC Diension:Approx.10.2cmx7.2cmx8.2cm/4.02"x2.83"x3.23" Quantity:1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 1 USB cable can only be used for charging. It can not be used as wired mouse. 2 It can be used while charging, but you must make sure premise that pluging the USB receiver in the computer and opening the power of mouse.