22 Keys Bluetooth Mini Numpad Wireless Numeric Keypad Small Keyboard

Features: 1. USB plug and play, leaving out the connection problem. 2. Multi system compatible. 3. Scissor foot key cap structure design, feel comfortable. 4. Fast rebound speed and low latency. 5. Ergonomic tilt design, easy to use. Specification: Support system: For Android, Win, IOS Number of keys: 22 keys Support wireless Bluetooth: For American Broadcom, Broadcom 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 .