Specification:   
6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing.
DPI button to select favourite cursor speed
Working distance can reach upto 8M-15M
Energy Saving Mouse Auto Power Off / Sleep when not in use or Computer turns off
Colour: black | USB 2.0
Plug & Play connection - installation without drivers
Operating system compatibility: Microsoft Windows XP / Windows 7 / Windows 8 / Windows 8.1/ Windows 10
Overview:
2.4Ghz Wireless Mouse is very comfortable Well-designed, contoured shape seamlessly fits and moves with your palm Mouse has 6 buttons that include standard left and right click, front and back movement and Dpi adjustment button. 2.4G Wireless Technology-2.4G Mouse. Energy Saving Mouse: Auto Power Off (APO)- the mouse will be switched off automatically when the USB Nano receiver is disconnected with your pc, or the PC is switched off
Working distance can reach to 8M-15M, 2.4G will give you a more comfortable, convenient and exact effect