Here is a wearable gimbal that lets you capture smooth video with your GoPro HERO and other comparable action cameras. The FeiyuTech WG2 gimbal is waterproof and can perform in as deep as 0.5 meters under water. It also connects to your smartphone, allowing you to change filming angles and other settings.
The device is compatible with various GoPro HERO models. It has a max payload of 130g and battery life of 2.5 hours. It rotates 360 degrees to capture all the action in every scenario.