If you ever go camping for days at a time, this solar-powered Eton Bluetooth speaker ensures that you’ll never have to be without music. Its water-resistant design is great for the outdoors, and its built-in battery can run for 8 hours without any sunlight, and recharge in just five hours of direct sunlight. In a pinch, it can even charge your phone via a USB port your gadgets via a USB port.

$30 is within a few bucks of an all-time low, so buy it now, and fully enjoy it once it’s warm enough to go outside again.