This is genious. They should get an award for something like this, since it apparently works and makes sense.

What a Great Idea! Every person going out boating should have one of them,.....just in case.

69 dollars is a little much since it doesn't keep your head ah I've water, sure if you pull the lever before you pass out it could work.

This is very clever because when you go underwater and panic, you can't always tell which way is to the surface. Using this, you get to the surface in no time. After that you can use balloon to float. If you pass out the balloon at least tells other people your location. Yes we have life jackets, but you can't use those when you dive. And I bet that those are clumsy in some other activities too. If I ever start diving in outdoor waters I will get this, just in case.

but what about lung over expansion if it brought you up too fast? rupture ear drums?

What a great idea! If this bracelet also has an affordable price, it'd surely save lives

This will never be more reliable than life jackets. If you are knocked out, it won't deploy, and if it does; your hand will be at the water's surface while the rest of you dangles below.

Wow this is an awesome invention

I like it but it doesn't go far enough. I would like to see something you could put on a child that would self-inflate if they fell in and would keep their head above the water.

It is a stupid idea. It should be strapped to the upper chest to keep the person mouth and nose out of the water. In the wrist I just makes it easy to find the body

I love my life jacket that inflates if I go overboard but this is a great idea as well...

I wonder why they make it bright red? I'm sure it's for other people (maybe search and rescue, for example) to see you. But I learned something about sharks. Sharks (such as a great white shark, for example) can see in color, and bright colors (especially on the surface of the water) are attracting to them (that's why you are instructed not to swim or dive in bright colors). They already mistake people for their natural food source when people linger at the surface. I was just thinking that although it undoubtedly could save your life--and I think it's super cool!--I just think that it may save your life in the ocean just to turn around and attract a new problem of sharks. Lol. But definitely great for use in a pool or lake! :) (So maybe make an ocean set of them that isn't bright colored? Or add a GPS tracking thing in the watch, then all of them could be duller colors?)

my only question is the speed, while im not very knowledgeable about diving i do know there is a thing called "the Bends" has to do with surfacing to fast... this seems to be the case with this( potentially)

this makes me think of those capsules in Dragon ball z

I find it hard to visualize the application. It's not a substitute for regular life preserver.

This would be in addition to a PFD, or perhaps when you're dockside, and certainly could be lifesaver for NON-swimmers who do something stupid. I'm a boater, a non-swimmer and I do stupid things sometimes, and if there is no one around . . . .

it's perfect idea for my 8 yearsold . Where can I find this bracelet

At least a life preserver keeps your head out of the water. This, not so much.

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Wearers of this should be entered into the Darwin Awards. In the situations shown, had any of those people drowned, well, one less mouth breather is walking the earth. Good. They have weak genes and shouldn't procreate. In any genuinely dangerous situation, where you should probably be wearing appropriate buoyancy gear or properly trained / supervised, I suspect that this would be next to worthless. Dummies will by this for their kids to monkey about with in their pools. Quit the hyperbole people, they've not really just saved the world, they've created a solution to a problem that won't be fixed by this.