Compact design Easy to take anywhere, great in tighter workspaces. Dual wireless with 128-bit AES encryption security The flexibility of Bluetooth (3.0 and 5.0) and 2.4GHz wireless, with government-grade encryption. Connect up to Three Devices at Once Switch from computer to tablet to phone in seconds. Compatibility Works with Windows, Mac, iOS, and Chrome operating systems. Scissor Keys with Multimedia Hot Keys and Low Battery Indicator Scissor keys deliver smooth, responsive typing. Hot keys provide shortcuts for common commands across compatible operating systems. Low battery indicator ensures you’re never caught off guard. The Multi-Device Dual Wireless Compact Keyboard lets you connect and switch between up to three devices at a time (computer, tablet, or phone), using Bluetooth (3.0 or 5.0) or 2.4GHz wireless with 128-bit AES encryption. Smooth, responsive scissor keys include multimedia hot keys. Windows, macOS, iOS, and Chrome OS compatible. Low battery indicator, so you’re never caught off guard. Includes two AAA batteries.