Thank you for viewing. This is a charging case for sale. The following operations have been confirmed: Power via USB cable Charging of the earphones LED lamp lighting up Qi (wireless) charging The battery life is shown in the photos. Please refer to them when considering your purchase. There is little sign of use, and no noticeable scratches or stains are visible. Please be sure to check the condition by viewing the photos. Cleaning and alcohol disinfection will be performed before shipping. Please understand that this is a used item before purchasing.