Description: It is an ingenious wireless numeric keypad, which can be used via Bluetooth connection and keep your workplace free of clutter of wires and plugs. Ergonomic tilt and anti-slip pads on back provides optimum comfort Besides, it is power-saving with automatical hibernation mode. All in all, it is a perfect company on business travel for its handy and portable design. Simple plug and play, no driver installation requirements Specification: Bluetooth 3.0 - Compatible with Bluetooth-Capable Macs and PCs Keyboard comes with 18 keys of 0-9 number keys, Del, Enter, Num Lock, Backspace, + - * / 10m distance is okay for the secure connection Number of Keys: 18Keys Interface: Bluetooth 3.0 Voltage: DC 1.5V Color: Black Case Material: ABS Keycaps Life: More than 10 million times Operation Range: 10M (Without signal disturbance and no direction limit) Power: 2*AAA Battery (Not Included) Compatible with computer, laptop, phone, pad (with Bluetooth function) Package Includes: 1x Bluetooth Numeric Keypad Note: How to use Bluetooth: 1, Turn on the Bluetooth device, find the corresponding device, click and enter the password, press the Enter 2, In the paired state, LED lights will flash, indicating that the link is successful If you want to wake up the Bluetooth, press any button Another type of keyboard mode is not locked, you can use up and down left and right functions