Connect with USB mode

1. Insert AAA Battery for right keyboard and turn on it.

2. Plug in a magnetic USB cable with left keyboard and your Mac/PC.

3. Done.

4. Optional - Tap "USB_SEL" on adjust layer.

Connect with BLE mode

1. Insert AAA Battery for right keyboard and turn on it first.

2. And then insert AAA Battery for left keyboard and turn on it.

3. Tap "BLE_SEL" and "ADV_ID0" on adjust layer.

4. Go to Mac/Bluetooth or iPhone/Bluetooth or other devices/Bluetooth.

5. Tap "Designer Keyboard" on Mac/PC/iPhone.

6. Tap "Pair" on Mac/PC/iPhone.

7. Done.

Connect/Pair with other Bluetooth devices

1. If you conecnted Bluetooth Device 1.

2. Tap or hold "ADV_ID1" on adjust layer for Bluetooth Device 2.

3. Go to Mac/Bluetooth or iPhone/Bluetooth or other devices/Bluetooth.

4. Tap "Designer Keyboard".

5. Tap "Pair".

6. Done.

Switch to different devices 

Switch to USB device

1. Plug in a magnetic USB cable with left keyboard and your Mac/PC.

2. Tap "USB_SEL" on adjust layer.

3. Done.

Switch to BLE device

1. Tap "BLE_SEL" on adjust layer.

2. Tap "ADV_ID0" on adjust layer for switching to Bluetooth Device 1.

3. Tap "ADV_ID1" on adjust layer for switching to Bluetooth Device 2.

4. Tap "ADV_ID2" on adjust layer for switching to Bluetooth Device 3.

5. And so on.