EASY AND QUICK INPUT-The scissor-switch key and Bluetooth 3.0 give you a quieter, easier and quicker operation. And the mission distance is up to 10 M.<br> Long-term operation-Bluetooth numeric keypad has a built-in rechargeable battery.<br> Wide compatibility-Numeric keyboard is suitable for iMAC/Android/Microsoft/PC/laptop, etc.<br> SLIM AND DURABLE DESIGN-slim and portable. And it has 35 keys, which is fully functional. It is a good choice for external numeric keypad.<br> specification<br> Product name: Bluetooth wireless keyboard<br> Battery capacity: 250mah<br> Interface: usb interface<br> colour: black<br> Material: ABS<br> size: 145x120x19mm<br> Package Contents:<br> 1*host<br> 1*USB charging cable<br> 1*wireless receiver<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.