Meet the REMOVU R1+: a wearable device that serves as a WiFi live viewer and remote for your GoPro camera. It lets you record, stop, and control other functions on your camera. You will also be able to see your shots while in action. The R+ can withstand water, dust, and shocks. It has a 1050 mAh battery that lasts up to 3 hours.
You can wear the R+ around your wrist or mount it conveniently. This simply lets you control your GoPro wirelessly. More information is available here.