Under ESC, 1, 2, 3, 4 there are LEDs on PCB.

Make sure you turn on the battery toggle under the caps lock first if you want to use the board wirelessly.

Esc, 1/2/3 or 4 will flash 3 times to show the current mode when you press Fn+tab

1. The LED under Esc represents the battery level and wired mode
   1. when switched to wired mode, it will flash 3 times to indicate wired mode
   2. in other modes, when the USB-C cable is plugged in and the battery is connected
      • Esc light stays on during charging
      • Esc light turns off when the battery is full
      • Esc light flashes when the battery level is below 5%
2. 1/2/3 LED lights represent BT mode and paired BT device
   1. Press Fn+tab until the 1/2/3 lights flash together 3 times to enter the Bluetooth mode
      • no action is allowed until they flash 3 times
   2. Pairing
      1. press and hold Fn+any of Q/W/E (not 1/2/3) until the light under 1/2/3 flashes rapidly to start pairing.
         • each key (Q, W, E) can be paired to a different device
      2. on your device (Windows - Settings - BT and other devices - pairing), select NEO80 and follow the instructions on the screen to pair
         • if no more action is taken, all lights will go off; waking up the keyboard by pressing any key will force it to search again
      3. LED will turn off once pairing has been completed
   3. Press Fn+Q/W/E will choose the device (1/2/3) you want to use the keyboard on
      1. if no device is paired, all LEDs will stay off
      2. if connected, the LED will flash 3 times to indicate which device it has paired to, and the keyboard will automatically reconnect
      3. if not connected, the LED will continue to flash slowly, indicating that it is still searching for devices
         • users may need to manually choose the keyboard on the paired device via the BT settings to connect
         • users may press Fn+Q/W/E to switch between devices to connect to
3. 4 represents 2.4Ghz mode and the paired device
   1. pairing
      1. if never paired before, please do not plug in the 2.4Ghz dongle
      2. press Fn+tab until the 4 key flashes 3 times to enter the 2.4Ghz mode
      3. press and hold Fn+R until the light flashes briefly
      4. insert the 2.4Ghz dongle
      5. press any key to see if they are working
   2. if paired before, the dongle can stay connected to your device, the keyboard and the device will connect automatically once the keyboard is switched to 2.4Ghz mode