The Huddlecam line offers (5) cameras that are USB 2.0 and (5) that are USB 3.0.
USB 2.0
Huddlecam Go
Huddlecam 3X G2
Huddlecam 3XA (3x with microphone)
Huddlecam 10XA (10x with microphone)
Huddlecam 10x USB 2.0
USB 3.0
Huddlecam 10x G3
Huddlecam 20x G2
Huddlecam 30x G2
Huddlecam 3xW G2
Huddlecam Simpltrack