The image shows a close-up of the back of a black electronic device. The device appears to be a power bank or a portable charger. The back panel of the device is rectangular in shape and has the brand name "Lenovo" written in white letters on the top left corner. On the right side of the panel, there is a small circular button with a small LED light on it. Below the button, there are several other buttons and a power button on the bottom right corner. The background is a wooden surface.