The SM1 Slim Mechanical Backlit Bluetooth Keyboard supports Bluetooth, USB-A wireless receiver, and wired connections. You can switch between modes using the Fn key and the number keys (1–4) on the keyboard.

Mode keys:
1: Bluetooth Profile 1  
2: Bluetooth Profile 2  
3: USB-A Wireless Receiver  
4: Wired Mode  

Bluetooth pairing (Keys 1 or 2):
1. Press and hold Fn.
2. While holding Fn, press and hold either the 1 or 2 key for 5–6 seconds.
3. Release when the key starts flashing rapidly (pairing mode).
4. On your device, go to Bluetooth settings and select “Slim SM1 Keyboard” or “Bluetooth Keyboard.”
5. Once connected, the keyboard is ready to use.

USB-A wireless receiver (Key 3):
1. Connect the included USB-A receiver to your device.
2. Press and hold Fn, then press the 3 key.
3. The keyboard will automatically connect to the receiver.

Note: The receiver can be used through a docking station, hub, or adapter as long as it is connected to your device.

Wired mode (Key 4):
1. Connect the keyboard to your device using a USB-C cable.
2. Press and hold Fn, then press the 4 key.
3. The keyboard will switch to wired mode and is ready to use.

Note: Wired mode also works through compatible hubs or docking stations connected to your device.