A 124-gram gadget, just 3 seconds to support the weight of your entire life

In the mid-summer season, whether it's a surfing trip to the beach or being stuck in a rainy city, there's always a word "Water" Around everyone. In such hot weather, we are eager to have a "Close contact" With the water. But the temper of the water is difficult to understand ah, said to turn the other cheek, the threat to everyone's life and safety.
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