1. The keyboard disconnect while using?
Check if ther is signal interference, fully charge the keyboard, delete the Bluetooth from the computer to connect again.
2. How to switch to other devices?
Press Fn + BT1/BT2/BT3 to switch.
1. The keys are sticky while typing?
Check if you have connect other products via USB, which may cause the interference.
1.How to use the function keys and multimedia keys?
Press the Fn + Delete to lock/ unlock the function keys.