Over-ear solar-powered headphones deliver a comfortable fit, perfect for long-wearing comfort while you listen Solar-powered design uses Exeger Powerfoyle solar cell material so your headphones are charging whenever they’re exposed to light both indoors or out Bluetooth 5.0 technology connects wirelessly to your Android or iOS device for complete freedom of movement Active Noise Cancelling (ANC) and Ambient Sound Mode allow you to tune out the world around your or stay aware of your surroundings, all with the touch of a button 40mm drivers deliver an incredibly rich sound so all your music comes through the way it was intended Built-in microphone enables hands-free calling and provides access to Siri or Google Assistant On-ear detection pauses your music when you take off the headphones and resumes it when you put them back on