SOLSOL Solar Hat is a fashionable and innovative fashion apparel accessory hat that is a stylish 5 Panel 100% Cotton Snapback Flat Brim Hat that charges and extends the battery life of an iPhone, Samsung Galaxy, LG and other smartphone and 5 Volt smart devices such as iPod, iPads, GoPros, Bluetooth headphones & speakers, power banks and more. The SOLSOL hat is “Battery-Free” and 100% off-grid solar charger. It’s safe and does not emit electromagnetic radiation.