Specification:
Support system: For Android, Win, IOS
Number of keys: 22 keys
Support wireless / : American , 20730
Keyboard life (keystrokes): 5 million times
Response speed: 5 ms
Wireless / BT transmission distance: 10m
Working current / voltage: 0.25 mA 3V
Battery type: 2*AAA (not included)
Package List:
1 * Keypad
1 * Instruction Manual