The smallest inflatable flotation device in the world fits on your wrist

Kingii fits around the wrist and inflates at the pull of a lever using a a compressed air canister. When the danger's passed, you can deflate, repack, and install another cartridge, so the Kingii can be used again. Can it compete with standard life vests? The post The smallest inflatable flotation device in the world fits on your wrist appeared first on Digital Trends.