Logitech K780 Wireless Office Keyboard BT&Unifying Dual-mode Keyboard Full-size Ultra-thin Keyboard Multi-device Compatible

Features:
K780 can be swiftly paired via BT wireless technology or Unifying USB receiver. 
Connect up to three devices and switch between them. Easy-Switch button lets you type on your laptop, and then keep typing on your phone or tablet.
The integrated bracket holds a variety of devices at a comfortable viewing angle, from smart phones to tablet.
PerfectStroke keys are carefully crafted to provide a smooth, ultra-precise and quiet typing experience.
The round key design matches the shape of your fingertips, for a soft and comfortable typing feeling.
Compatible with Windows, Chrome OS, Mac OS, Android, iOS.

Specification:
Brand: Logitech
Model: K780
Color: Black
Connection type: Logitech Unifying protocol(2.4GHz), BT smart technology 
Wireless range: 10m
Key life: Up to 10 million keystrokes
Battery: 2*AAA batteries(not included)
Tablet requirement: Support most smartphones and tablets with thickness up to 11.3mm, in portrait or landscape mode
System requirement: Win7/Win8/Win10 or later, Android 5.0 or later, Mac OS X 10.10 or later, iOS 5 or later, Chrome OS
Item size: 38 * 15.8 * 2.2cm /14.96 * 6.22 * 0.87in
Item weight: Approx. 875g /30.86oz

Packing list:
1 * Keyboard
1 * Logitech Unifying receiver
1 * User manual