Using the blast fan. Aromatic type. Gently touch medallion, blower fan operating the plant essential oil. The smell of spread to every corner of the Low db operation. Comfortable sleep undisturbed. With low noise pump, quiet fragrance. Silent, quiet breathing natural fragrance Aromatherapy bring you a new experience. Fragrant space can relieve pressure, regulate the physiological function, promote the vigor, ward off fatigue, improve work efficiency Built-in lithium batteryThe USB Type - C interface. Charging treasure, computers are available, and go out feel free to use, convenient wireless, convenient to carry 360 rapid purification. According to the car interior space structure, recommend a cab at positionLet cold fog as mention it in the car cabin circulation flow supply: USB Functional: aromatherapy, automatic aromatherapy machine Applicable area: 21 (inclusive)-30 (inclusive) shape: Square Noise: below 36dB Timing function: 2-8 hours Water tank capacity: 0.5L and below Water shortage protection: is Operation mode: mechanical fog outlet: 1 Rated : 3W Capacity: 10ml style: desktop The battery life: more than 12h Built-in battery capacity: 2000mAh-4000mAh (included) color:Silver Material:Metal size:9 x 9 x 12cm Package Contents: 1 x Humidifier 1 x USB cable 1 x English instruction manual 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.