1、Dual Connection Modes: This is a Bluetooth wireless and USB wired dual mode keypad, Type C to USB interface, no driver required, plug and play. 2、Multifunctional Keypad: Click the setting software to set multimedia functions, mouse function settings, and layer function settings. 3、3 Layer Function: One button can set 3 different functions. Press the layer button on the keyboard to switch to one layer, and the corresponding indicator light will flash. 4、Onboard Storage: Settings are saved in the keyboard and do not need to be reset when changing devices. Simple to operate and easy to carry. 5、Wide Application: Support for Windows, for Vista, for Linux, for OS X c operating system. Suitable for office, graphic design, games, music, multimedia and more. Item Type: Mini 5 key keypad Material: Silicone, acrylic Color: White Connection Method: Bluetooth wireless/USB wired connection System Support: For Windows, for Vista, for Linux, for OS X Button Life: Up To: 50 million times Size: Approx. 115 x 34 x 18mm/4.53 x 1.34 x 0.71in Battery Type: 1100mAh lithium battery x 1 (built in) Charging Voltage: DC5V/1A Working Temperature: -10-50℃ Uses: Suitable for recording studios, office, graphic design, games, music, multimedia, industrial control, laboratories, production testing and other fields Instructions: 1. Connect the small keyboard to the computer, and open the custom software on the computer; 2. On the custom software, click (yellow area) in the key setting area or knob setting area, and then click the key KEY1-KEY12 to be set or any key of Knob 1 or Knob 2 (green area); it will display red when selected. 3. Click the function button corresponding to the simulated keyboard on the custom software, click download, and it will prompt that the download is successful, and our custom small keyboard can be used. For example: I want to set the keyboard key 1 as the shortcut key of copy (Ctrl+C), click the key setting area on the software, click KEY1, then click Ctrl and C on the software simulation keyboard, click download, and it will prompt that the download is successful. 4. Multimedia function settings: Click on the simulation keyboard multimedia on the setting software, select the function we need to set, click Download to download, and it will be prompted that the download is successful. 5. Mouse function setting: Click the simulated keyboard and mouse on the setting software, click the button corresponding to the button or the knob, select the function we need to set, click Download to download, and it will be prompted that the download is successful. Move the computer cursor!!) 6. Layer function setting: Click on the upper right of the setting software to select the layer we need to set, then click the function that needs to be set for the simulated keyboard, click Download to download, and it will be prompted that the download is successful. The keyboard has 3 layers of functions, that is, one button can be set to 3 different functions. Press the layer button on the keyboard to switch to one layer, and the corresponding indicator light will flash at the same time. 7. Bluetooth connection: first unplug the USB data cable (the USB interface will enter the USB wired mode by default) and then turn the battery switch to the ON side. Then the computer or mobile phone turns on the Bluetooth function, the search will find the Bluetooth named for MINI KEYBOARD, and then click the Bluetooth name to pair, and the connection is successful and you can use it. 1 x Mini 5 Key Keypad 1 x USB Cable 4 x Rubber Mat