SCIENCE STUDY

Keep your feet warm with an app

作者：TEENS

可以自动调节温度的鞋垫。

Never have cold feet again! These smart insoles (鞋垫) can keep your feet warm (暖和的). There is a thermostat (温度调节器) inside the insole. You can control (控制) it with an app on your smartphone. The insoles can become as warm as 45C. TEENS

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