These true wireless earbuds come with a multi-functional charging case. The case features a digital display showing the battery percentage of both the case and the individual earbuds. It also includes a bright LED flashlight on the side, illuminating the way home. Furthermore, the large capacity charging box can not only charge the earphones but also serve as a power bank to charge mobile phones. The earbuds are designed to be worn in the ear. Compatible with mobile phones and other devices that can be charged via USB.