ship from Japan This Bluetooth numeric keypad is compatible with Bluetooth 3.0. It uses the same pantograph keys as notebook computers. You can input comfortably even if you press the edge of the key. Isolation type with independent keys. Reduces nail catching. The ‘Tab’ key and the ‘00’ key are provided. This is useful for accounting work and tasks that require a lot of numeric input. The design takes into account the inclination angle for easy input. It has an on/off switch to reduce battery drain.