This Personal Design Mini USB Smart Night Light oblique mouth lamp is a great choice for power banks. It features a seven color fixed color-printed logo with a charger-free design. It is the perfect device for wholesale or retail customers. The oblique mouth lamp works by using a built-in color LED light source, with the option to set the color to either red, green, blue, white, yellow or purple. It has a memory function that allows the user to set the color for future use. The light also features a unique adjustable neck design so that you can adjust the angle of the lamp for optimum lighting. It can be charged with a USB cable and the battery life can last up to three hours with full brightness on. The size of the lamp is also compact and light weight, making it easy for traveling. The oblique mouth lamp is the perfect device for wholesale or retail customers to set up shop. It is easy to install and use. With its colorful design, it adds a fun look to any area. This mini USB smart night light oblique mouth lamp is a great choice for those looking to power their devices without a charger. It is a great buy for all customers and a must-have for any store or shop.