Meet the Kingii: an inflatable wearable that you can put on your wrist to get out of trouble in the water. The device can be inflated quickly when you need some help. It has a compass and whistle as well. The CO2 cartridge is replaceable, so you can use your Kingii as many times as you like.
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The above video shows Kingii in action. You can find out more on Indiegogo.
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