Logitech K380 Multi-Device Bluetooth Keyboard BlueTake-to-type Easy-Switch wireless10m Hotkeys Switch 1year Warranty 

Type on anything
Take-to-type style
Easy-Switch
A familiar layout
2-year battery life

Specifications 
Dimensions
Height: 124 mm
Width: 279 mm
Depth: 16 mm
Weight: 423 g including batteries
See Visual 
System Requirements

Bluetooth wireless computers or other devices that support external keyboards (HID profile). For more information, check with the device manufacturer.
PC: Windows® 7, Windows 8, Windows 10 or later
Mac: Mac OS 10.10 or later
Chrome OS™
Android™ tablet or smartphone: Android 3.2 or later.
iPad or iPhone: iOS 5 or later
Apple TV 2nd or 3rd generation
An internet connection (for optional software download) 

Technical Specifications
Connection Type: Bluetooth Classic (3.0) 
Wireless Range: 10 m 1
1Wireless range may vary due to environmental and computing conditions
Software Support:
Logitech Options for Windows (Windows 7, Windows 8, Windows 10 or later)
Logitech Options for Mac (OS X 10.8 or later) 
Logitech Flow
Battery: 2 x AAA 
Battery Life: 24 months 
Indicator Lights (LED): Battery LED, 3 Bluetooth channel LEDs 
Special Keys: Hotkeys (Home, Back, App-switch, Contextual Menu), Easy-Switch™ 
Connect / Power: On/Off Switch 
Package Contents

Keyboard
2 AAA batteries (pre-installed)
User documentation 

Warranty Information
1-Year Limited Hardware Warranty