Specification:
Brand: Logitech
Model:  MK235
Color: Black
Combo: Keyboard & Mouse
Wireless range: 10 m
Keyboard:
Tilt legs
10-Key Number pad
Special Keys: 15 function keys
Up to 5 million keystrokes
2 AAA batteries
Battery life: 36 months
Height: 5.41 in (137.5 mm)
Width: 17.15 in (435.5 mm)
Depth: 0.81 in (20.5 mm)
Weight: 16.75 oz (475 g)
Mouse:
Sensor technology: Smooth Optical tracking
Number of buttons: 3 (Left/Right-click, Middle click)
Scrolling: line-by-line
Scroll Wheel: Yes, 2D, optical
Connect/Power: On/Off power button
1 AA batteries
Battery life: 12 months
Height: 3.85 in (97.7 mm)
Width: 2.42 in (61.5 mm)
Depth: 1.39 in (35.2 mm)
Weight: 2.49 oz (70.5 g)
Nano receiver
Height: 0.74 in (18.7 mm)
Width: 0.57 in (14.4 mm)
Depth: 0.26 in (6.6 mm)
Weight: 0.07 oz (2 g)
System Requirements:
Windows 7,8,10 or later
Chrome OS
An available USB ports
OS Support: Windows 7, 8, 10, Vista, XP, 2000
Warranty: 1 Year