22-key numeric keyboard: The numeric keyboard supports a variety of shortcut keys, such as NUMLOCK, ESC, DELETE, etc. Unique shortcut keys can directly open the calculator on your computerThis versatile 22-key numeric keypad expands your existing keyboard with 10 external numeric keysBluetooth 5. 0 Connectivity: This 10-key numeric keypad is compatible with Bluetooth version 5. 0Allows you to enjoy a stable connection without cables and clutter without taking up additional USB portsWireless Bluetooth transmission distance up to 32. 8 feetQuiet and light touch: Portable numeric keypad with scissor foot design provides comfortable tapping feel, low keycap design and fast rebound, up to 3 million keystrokes. Bring you a more comfortable and quiet typing experience. Made of eco-friendly, moisture-proof, scratch-resistant ABS material, portable and durable. Compatible with Multiple Systems: Our laptop bluetooth numeric keypad is compatible with Windows, Android, Mac OS and moreIt is powered by two AAA batteries and has an automatic sleep mode for up to 80 hours of use20 minutes of no operation, automatic sleep, press any key to wake up