Gear Pro Wrist Mount With A04

Has anyone actually tried Gear Pro? It is such an obvious knock off of GoPro. Even the name itself. I wonder is the quality is the same or if the accessories fit GoPro. I have 3 older model GoPros and they still work like the day I purchased them. But I have been wanting to upgrade to the newer models which have Bluetooth and better resolution. However, at like $400+… I might invest on a cheaper knock off, assuming the quality is the same.