There are plenty of fancy smartwatches on the market. Not all of them have a solar panel to be charged using sunlight. LunaR is a solar-powered smartwatch with activity tracking, sleep monitoring, dual time-zone support, and a waterproof design. The LunaR charges indoors and outside with natural and artificial light. It has sunlight/sunset tracking built-in.
The watch uses LEDs and vibration to combine with your apps to help you keep up with app notifications. It supports iOS and Android devices.[where to get it]
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