Power supply: These SMART leather string lights operate using a USB supply mode, offering flexibility and convenience in powering your lights. Wired string lights: Create a cosy and inviting ambiance with the SMART App Controlled USB String Lights. Options: Choose the perfect length and number of LED bulbs for your decorating needs from 4 options such as 5m 50 LEDs, 5m 33 LEDs, 10m 66 LEDs, and 10m 100 LEDs. Energy saving: The lights have an input voltage of 5V, ensuring energy efficiency. Packing list: Each set of LED string lights comes with 1 string, ready to transform your space with a magical glow. Multi use: These LED leather string lights have an IP44 rating, ensuring their durability and splash resistance, suitable for indoor and outdoor use. Smart App Controlled Usb String Lights | Living Social | Living Social