Software and Manual:
//sikaicase.com/blogs/support/setting-for-software
For 6-key version (6 Key BT / 6 Key Wired / RGB 6 Key Wired)
Please download the special software:
//drive.google.com/drive/folders/1vxc8ETPKmrb00aD2oooTg8M_t15ItE8J?usp=sharing
For 3-key/ 4-key version (RGB 3 Key Wired / RGB 4 Key Wired)
Please download the special software:
//drive.google.com/drive/folders/1ELKgQ2BUPMGbhAVZO2o962LVMWzFgmp3?usp=sharing
Note:
① For macOS users, Please download the special software: //drive.google.com/drive/folders/1xq9SbVKaiVhd6aQS-_9QZbFQnJlUhrj6?usp=drive_link

Then connect back to macOS:
Command=Win, Option=Alt, Control=Ctrl.
② “Sleep” Mode of BT version
The BT version keyboard will automatically enter the “sleep’’ mode if there is no operation for 15 minutes for saving power. The keyboard won’t respond in “sleep” mode.
Press key “1” can wake up the keyboard to enter the “work” mode, which takes about 2 seconds to complete, and automatically connect.
Only BT version have layer function, but no RGB Light.
New Version have could enter max 18 characters one key, other keyboard only enter 5 characters one key.
Please contact us if you want enter many characters in one key but don’t know how to do.