EF ECOFLOW Power Hat(M-L) 360-Degree Solar-Powered Wearable Hat, Waterproof, Ultra Light, Foldable, Dual USB-A&USB-C Ports, Charge Smart Phones, Run Small Electronics For Hiking Fishing Beach Camping

[Solar Charging on the Go] The EcoFlow Solar Hat is our first portable charger that allows you to charge your smartphone and other devices while you are in the sun. 360° solar panel: The EcoFlow solar hat always stands at an optimal angle to the sun. With the solar hat, you can fully charge a mobile phone (with 4,000 mAh battery) in just 3 to 4 hours. Dual USB-A and USB-C port: For charging two devices simultaneously. Perfect for Bluetooth headphones, mobile phones and other small devices. Ultralight and foldable: the solar hat is only one eighth as thick as conventional solar panels, so feather-light, thin and comfortable to wear. It folds easily and stores in a backpack or bag, sun protection and charger all in one. Weatherproof and durable: Weatherproof and dustproof according to P65, can be worn on the beach, in sunshine and in light rain.