Multi-device Bluetooth Keyboard [Keyboard that can be used with smartphones and tablets] Multi-device keyboard compatible with Windows, Mac, Chrome OS, Android, and iOS. [Compact and Lightweight] 279x124x16mm, only 423g, a size that can be carried anywhere in your bag. [Connect to up to 3 devices simultaneously] Easily switch between connected devices with the Easy-Switch button. When used with a FLOW-enabled mouse, it will automatically pair with the PC the mouse is operating on. [Up to 2 years with 2 alkaline AAA batteries] Ultra-energy-saving design, allowing you to use the keyboard for up to 2 years without the hassle of battery replacement. Operating distance: 10m (varies depending on the usage environment and conditions.) Wireless method: Bluetooth 3.0 - Brand: logitech - Model: K380 - Keyboard layout: QWERTY - Color: Gray - Features: Multi-device compatible Thank you for viewing. We appreciate your consideration.