The Logitech Multi-Device Wireless is compatible with up to three devices, you can switch typing between your phone, tablet, and computer in one easy flow.
Features
Can be paired via Bluetooth wireless technology or the Unifying USB receiver
Backed by a limited 1-year hardware warranty
Includes:
Keyboard
2 AAA Batteries (Pre-Installed)
Logitech Unifying Receiver
User Documentation
Logitech K780 Multi-Device Wireless Keyboard, Black