Logitech K380 Portable Multi-Device Wireless Bluetooth Keyboard 1. Can connect all devices that support Bluetooth external keyboard 2. The EasySwitch button can connect three devices at the same time, and you can switch between different devices smoothly with just one tap 3. Lightweight and compact design, can be used anywhere in your home and on any compatible computer, mobile phone or tablet 4. Connection type: Bluetooth 3.0 5. Wireless receiving range: 10 meters 6. Powered by 2 AAA batteries (excluding batteries) 7. Supported systems: Windows 7, Windows 8, Windows 10 or higher; Mac OS 10.10 or higher; Chrome OS; Android 3.2 or higher; iOS 5 or higher 8. Product size: 12.4x27.9x1.6cm