You’ll never run out of power thanks to the innovative design of these Urbanista Los Angeles over-ear headphones. Equipped with a solar-powered technology, they are charging whenever they’re exposed to indoor or outdoor light so they keep going, hour after hour. They connect effortlessly to your device via Bluetooth and are built with 40mm drivers for a rich audio experience. | Urbanista Los Angeles Solar-Powered Over-Ear Noise Cancelling Bluetooth Headphones - Midnight Black