1. Ergonomic design, more comfortable handfeel.
2. Support for Android, for for OS systems.
3. 22-key ultra-thin numeric keypad, compatible with Bluetooth 3.0.
4. Use time up to 80 hours , keystrokes up to 3 million times
5. Scissor foot key structure design, fast speed, low delay.

Specification:
Item Type: 22 Keys Numeric Keypad
Material: ABS
Optional Color: Black / Silver Black / Iron Gray / Rose Gold
Support System: for ANDROID, for for OS
Number Of Keys: 22 Keys
Compatible with Bluetooth: Compatible with Bluetooth Version 3.0
Keyboard Life (Keystrokes): 3 Million Times
Response Speed: 5 Milliseconds
Compatible with Bluetooth Distance: Approx. 10m / 32.8ft
Working Current / Voltage: 0.25MA 3V
Battery Type & Capacity: 2xAAA (Not Included)
Use Time: 80 Hours

PackageList:
1 x Numeric Keypad (Battery Not Included)
1 x User Manual