The key is disposed on the recessed portion, and {HEAD ~ the connecting part} is connected to the body and is electrically connected with {TAIL ~ the motherboard} 
The key is disposed on the recessed portion , and { HEAD ~ the connecting part } is connected to the body and is electrically connected with { TAIL ~ the motherboard }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL