Notice: 1. User manual and customized software can be requested after purchase 2. Need to use windows system for custom settings 3. Support hot swap 4.Support Bluetooth-compatible 5.Support 2.4G wireless conect 6. Three sets of definitions can be set and switched freely This is a mini keyboard with custom functions, used in design, stock, office, game, music, media, industrial control, testing and other fields. Large-capacity rechargeable battery with low power consumption, 90 days long standby time. Support one-key copy and paste 2.G wireless,Bt wireless, wired TyPe-C interface dual mode, no driver required, plug and play Metal knob, one-handed control of music cutting, volume, pause, previous song, next song, zoom in and out, previous page and next page With mouse and delay function Can single key 18 characters, support one key password Common troubleshooting: Problem 1: There is no response when the keyboard is connected to the computer, or the device prompts abnormally. Solution: Check whether the network cable and interface are connected properly, and then plug and unplug again; replace the USB on the computer Reinsert the connector. Question 2: After the custom software is downloaded, it cannot be opened. Solution: Check whether it is blocked by software and set it as a trusted file. Question 3: Why is the button or knob always "a" after connecting to the computer? Solution: Output a is the normal factory setting, open the custom software to redefine the button function. Material: Acrylic Current and voltage: DC 5V/1A Interface: type-c Axle: Outeum Red Switch package includes 1*2.4G receiver 1*keyboard 1*usb data cable