In the past few months, we have covered plenty of gadgets that let you capture 360-degree videos outside. Would you like to do so underwater? The 360Abyss v4 kit has you covered. It is compatible with GoPro Hero3+ and Hero4 cameras. You get o-rings, a pelican case, and everything else you need to get started.
The 360Abyss magnetic control wand lets you control your cameras underwater conveniently. The kit is rated to 1000 meters underwater. The above video covers what 360Abyss v4 has to offer.