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Different kinds of USB hub Inspection:
 
Powered USB hub
Wireless USB hub
Bluetooth USB hub

USB hub inspection
 
Some common factors for USB hub quality control:
 
Appearance
Quantity check 
Measurement 
Smell test
Function test
Output current test/Output voltage test
Rubbing test
File transfer
Tension test
Internal check
3M tape test for Logo
Barcode scanning
Carton dropping test

USB hub quality control
USB hub inspection-USB hub quality control:Powered; Wireless; Bluetooth

 

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