Specification:
Audio Port: 1
Microphone Port: 1
USB Port: 2
Length: 1.55m / 61.0inch
Size: 6 x 6 x 3cm / 2.36 x 2.36 x 1.18inch
Package Weight: 170g
Quantity: 1pc

Package included:
1 x Desktop PC Switch Button

Problem:
1.The audio port does not work. How should it be operated?
2.Why isn't there any input?

Solution:
1.Check the plug and whether the cable of the port is inserted properly. 2.Because the pin was not inserted correctly.