2.4Ghz mode:
Step1. Switch Power On. Step2. Insert the wireless dongle to a USB port on the PC. Step3. Turn the knob to the 2.4G icon, short press the knob to select 2.4Ghz mode.
BT mode:
Step 1. Switch Power On. Step 2. Turn the knob to select the connection mode and press the knob to confirm it. Step 3. Turn the knob to the BT1 icon, long press the knob to enter BT1 pairing mode, and the display shows "BT1 Pairing". Step 4 Turn on the bluetooth of computer/phone, then connect the device.
Built in a 3000 mAh rechargeable battery, last up to 7 days normal use (count 8hrs per day).
Comes with 1 adjustable keyboard feet which can give you the comfort angle you need for marathon gaming sessions.