Feature: 1. Repeatable Settings: The button functions of this keyboard can be set by yourself and can do repeatable settings, which is very practical and helpful. 2. Onboard Storage: The keyboard has LED effects that feel very comfortable in your hand, and has onboard storage where settings are saved in the keyboard. No need to reset when you change the device you are using. 3. ABS Material: Our keyboard is made of ABS material, very healthy and safe, there is no harm to the human body, you can completely rest assured that you can use. 4. Easy to Install: This keyboard comes with a USB cable, you can install it as you wish when you need it, it is very easy to install. 5. Applicable Scenes: Our small keyboard is powerful, ideal for use in the office, at home when resting, operating games need to expand the keyboard. Specification: Item Type: 3 Key Keypad Material: ABS. Package List: 1 x Keypad 1 x Bluetooth Receiver 1 x USB Data Cable Note: If you need to set it up in for OS X, please set it up in for Windows before you can use it on for OS X.