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 or H Noise: less than 30dB Essential oil capacity: 5 or 10 or 15ml Charging time: 2H Mist Spray time: yellow light: spray 2 seconds or intelligent sensor (when someone come, it will spray 2 seconds again,keep working) green light: spray 2 seconds or stop 10 minutes blue light: spray 2 seconds or stop 5 minutes white light: spray 2 seconds or 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: 2 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.