Dual Wireless with 128-bit AES Encryption Security - Benefit from the versatility of Bluetooth (3.0 and 5.0) and a 2.4GHz wireless USB 3.0 nano dongle, both secured with AES encryption, to connect your mini keyboard. Connect up to Three Devices Simultaneously - Pair the compact keyboard with up to three devices (computer, tablet, or smartphone) and effortlessly switch between them in seconds. Scissor Keys with Multimedia Hot Keys - Experience smooth, responsive typing with the scissor keys, and enjoy the convenience of hot keys that provide shortcuts for common commands across compatible operating systems. Low Battery Indicator - Stay informed about your battery status with the low battery indicator, ensuring you can replace the batteries before they run out. Two AAA batteries are included. Compatibility - This keyboard is compatible with Windows, Mac, iOS, and Chrome operating systems, allowing connection to up to three devices simultaneously, making it perfect for use both at home and in the workplace.