2PCS USB Flame Diffuser Air Humidifier Ultrasonic Cool Mist Maker Simulated flame lamp-Colorful simulated flame lamp creates a romantic and warm atmosphere. Aromatherapy machine-you can add essential oils to emit a pleasant aroma and relax your body and mind. Scheduled shutdown-scheduled for 1/3/5 hours, safe to use and save energy. Automatic shutdown when there is no water-built-in smart chip, automatically shuts off power when there is lack of water. Silent operation-low noise operation, no noise, does not affect sleep or work. size: about 25.1 x 7.5cm Material: plastic colour: Black+White Package Contents: 2 x Host 2 x USB charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.