Features:

Mini adapter Plug and play
Wireless transmission, the longest sensing distance up to 10-15 meters
Portable and weight light, very convenient to carry and store
Power switch for save power
With 6 Keys, including Scroll Wheel,
Page Forward and Page Backward buttons for easy Internet Surfing
Up to 10 meters of operating distance
DPI:800-1200-2000
Power Supply: 2 x AAA Battery(Not included)
Mouse type: Wireless Optical Mouse
Interface: USB
Size:112 x 38 x 37mm

Package included:

1 x FanTech USB Optical Wireless 2.4Ghz Scroll Mouse Mini Portable 6D Gaming Mouse 
1 x USB receiver