YWYT G817 Wireless Mouse 2.4G Wireless Gaming Mouse 2400DPI 6 Buttons Optical Ergonomic Mouse with USB Receiver for PC Laptop

Features:
Adopt 2.4G wireless transmission technology, the transmission distance up to 10m. 
Four adjustable DPI(800-1200-1600-2400DPI) provide sensitive response and  smooth operation, position accurately in fast moving.
Ergonomic design, comfortable touch, fit the palm, can effectively reduce hand fatigue.
USB connection, no driver required, plug and play.
The USB receiver can be placed behind the mouse for easy portability.
Wide compatibility, suitable for home, office and gaming use.

Specification:
Model: G817
Color: Black
Material: ABS
Connection: Wireless
Wireless transmission frequency: 2.4GHz
Wireless transmission distance: Up to 10m
DPI:800/1200/1600/2400DPI
Number of buttons: 6(with roller)
Interface: USB
Power supply: 1*AA battery(not included)
Working voltage: 1.5V
Operating system: Windows 98 SE/Windows 2000/Windows XP/Windows 2003/Mac or latest version
Item size: 12 * 6.5 * 3.5cm /4.72 * 2.56 * 1.38in(L * W * H)
Item weight: Approx. 60.4g /2.13oz
Package size: 12.2 * 9.7 * 7cm /4.8 * 3.82 * 2.76in(L * W * H)
Package weight: 88g /3.1oz

Packing list:
1 * Wireless mouse                                                                                          
1 * USB receiver