Product features:
▶ Wireless connectivity for reliable usage
▶ Noiseless click, soft touch, offers extremely comfort which can make you focus on what you do without disturbing others

➤ Power Efficient: This mouse will auto sleep after 8 minutes of inactivity for power saving, it can be waken up by clicking any button. 

▶ High DPI movement resolution works on most surfaces
▶ Three responsive buttons and a scroll wheel for quick navigation
▶ Dimensions: 1.4 by 2.6 by 4.7 inches (H x W x D)
▶ Operates with 1*AA battery(Not included)
▶ Advanced optical mouse with responsive tracking
▶ Wireless mouse reduces workspace clutter
▶ 3-button mouse for better functionality and fast scrolling capability
▶ Requires Windows XP, Vista, 7/8/10/2000 and Mac OS X 10.4 or later for operation
▶ Backed by 1-year limited warranty

Specification:
Battery size: AA(not included)
Computer Connectivity: Windows
Interface(s): Alkaline
Handedness: Ambidextrous
Interface(s): USB 2.0
Number Of Batteries Required: 1
Wireless: Yes
Warranty: 1 year
Brand Compatibility: Universal
Model Compatibility: PC, Laptop, Windows devices
System Requirements: Windows XP, Windows 7, Windows Vista, Windows 8, Windows 10, Windows 2000, Mac OS X 10.4 or later
Number of Buttons: 3
Mouse Operation: Button(s) with scroll wheel
Plug and Play Operation: Yes

What is in the package:

1 x Wireless Mouse
1 x USB nano Receiver (in the battery compartment of the mouse, under the battery cover)