The Multi-Device Dual Wireless Compact Keyboard lets you connect and switch between up to three devices at a time using Bluetooth (3.0 or 5.0) or 2.4GHz wireless with 128-bit AES encryption | Smooth, responsive scissor keys include multimedia hot keys | Compact design makes it easy to take anywhere and great in tighter workspaces | Dual wireless offers the flexibility of Bluetooth (3.0 and 5.0) and 2.4GHz wireless, with government-grade 128-bit AES encryption | Connect up to three devices at a time (computer, tablet, or phone) and switch from one device to another in seconds | Works with Windows, Mac, iOS, and Chrome operating systems | Scissor keys deliver smooth, responsive typing | Hot keys provide shortcuts for common commands across compatible operating systems | Low battery indicator ensures you are never caught off guard | Get up and running instantly with the included AAA batteries | A three-year warranty means you can rest assured knowing youre covered by Kensington | Meets MIL-STD-810H Method 504.3 Contamination by Fluids testing for resistance to breakdown when exposed to cleaning and disinfecting solvents such as alcohol and bleach for at least 24 hours