Please Note: this product can only use single pure essential oil, not chemical perfume or viscous pure essential oil! Citrus essential oil is recommende. Product Size:46 x 46 x 75.5mm Power supply: Type-C USB Battery:3.7V 800MAH Hourly essential oil atomized volume: about 0.1ml/H Noise: less than 30dB Essential oil capacity: 5/10/15ml Charging time: 2H Mist Spray time: yellow light: spray 2 seconds/ intelligent sensor (when someone come, it will spray 2 seconds again,keep working) green light: spray 2 seconds/ stop 10 minutes blue light: spray 2 seconds/ stop 5 minutes white light: spray 2 seconds/ stop 1 minutes Timer: auto off in 2 hours Coverage: 30sq.m Product Feasures: 1. Microporous atomization, good mist,fast fragrance expansion; 4 model spray time; 2. The sensor can intelligently sense within 3 meters and angle 120 degrees, and diffuser will automatically add fragrance; 3. No need to add water and work with low voice; 4. 800mA battery, 25 hours running time; 5. Small size, portable and easy to carry; 6. Automatic off within 2 hours. Color: White Material: plastic Package Contents: 4 x Mini Aromatherapy Machine 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.