With the USB 3-in-1 Ultrasonic Aroma Diffuser Adler AD 7967, you can quickly and efficiently disperse fragrances, using water particles mixed with essential oils as the carrier. This USB 3-in-1 ultrasonic aroma diffuser is a great alternative to older models of this type of device and scented candles, which not everyone can use. You can easily connect the diffuser via USB to a computer, power bank, or phone charger. The water tank has a capacity of 130 ml, allowing for a room coverage efficiency of up to 25 m², with a flow rate of approximately 8 - 25 ml/h depending on the selected settings. If you love colored light and practice color therapy, you might be pleasantly surprised by this diffuser. Choose from seven colors or set it to cycle through all of them. The power cable is 180 cm long, making it easy to place the device wherever you want. A full tank of water lasts for 4 hours of operation. The auto-off function automatically turns off the device when there is no water in the tank.