Mini USB Aroma Diffuser: The USB powered aroma diffuser can be connected to a desktop computer, laptop, or power bank. It is compatible with any DC 5V adapter that connects to the outlet. Note: 1. This diffuser humidifier is not wireless and must be connected to a power source. 2. Not battery powered, USB cable included, USB adapter not included. 3 in 1 Ultrasonic Essential Oil Diffuser: It is an aroma diffuser, room air humidifier, night light. You can use the light function of this essential oil diffuser as a night light in your children's room to keep them company. You can also add a few drops of essential oils while you work to create a light fragrance that relaxes the mind and increases your productivity. Small and space-saving: The portable aromatherapy diffuser for essential oils has a capacity of 230 ml and can be used for up to 10 hours. The fragrance oil diffuser is small and does not take up space. The ultrasonic aroma diffuser is perfect for the office, yoga in the