Is there a way to turn off the LED light on the Type-C Clamp Hub Pro? John April 01, 2019 03:42 Updated Follow A. The light cannot be turned off because it indicates that the power is being received by the Hub. Related articles How does the Type-C Clamp Hub Pro clamp onto the iMac monitors? Does it block the vents? Does the Type-C port on the Clamp Hub Pro support video output? Quick Guide Will Clamp Hub Pro work with late 2015 iMac 5K Retina Display? What is the difference between the Thunderbolt 3 port and the Type-C port? Comments 0 comments Please sign in to leave a comment.