Logitech M705 Marathon Wireless Laser Mouse 

General Features:
Black and Gray color
Laser tracking
Hyper-fast scrolling
Sculpted, right-hand design
Unifying Nano USB Receiver included

Sensing method: Invisible laser
Resolution dpi: 1000
Image processing capacity inches per second : 20
Buttons: 8 (including horizontal scrolling)
Scroll Wheel: Yes (fast scrolling function)
Horizontal scroll: Yes
Battery: 2 - AA type batteries, not included
Battery life: 3 years maximum
Operation distance: about 32 ft; 10m
Wireless system: Advanced 2.4GHz wireless technology

1.6 x 2.6 x 4.3-inches (H x W x D, approximate)
Weight: 4.8 oz. / 135g
  Package Includes:
Logitech M 705 Marathon Wireless Laser Mouse
Unifying USB Nano Receiver (hidden inside of mouse)
  Additional Information:
P/N: 910-001935X
Model: M705
UPC: 0 97855 06854 0

Product Requirements:
Two (2) AA batteries
Available USB port
Windows XP, Vista, 7, 8, 10
Mac OS X 10.4 or later
Chrome OS