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How to connect bluetooth on keycool kc84
1 Toggle the switch up and keep it on, the back-light will turn by default. If you can't do the second step, please long-press(3s) fn and tab to let the keyboard enter Bluetooth mode
2 fn+q or e or w, there are three devices to switch in total
3 Long press fn + ~ (tilde Located to the left of key 1) link, then you will find the fn key keep flash. Now, you can pick keyboard kc-84 in bluetooth devices list of your bluetooth setting
If you want to switch devices, use fn+q w e, the target device directly to switch it directly