Headphone only. Solar charging. AI says: The adidas RPT-01 Wireless Bluetooth On-Ear Headphones in Black are a stylish and functional choice for music lovers on the go. With a sleek headband design and over-the-ear ear-cup style, these headphones provide a comfortable and secure fit. The wireless Bluetooth connectivity allows for hassle-free use without the restriction of cords, and the fact that they don't have a built-in microphone means you can keep your focus on the music. Whether you're working out at the gym or commuting, these adidas headphones offer great sound quality and a touch of sporty style.