1. Double nozzle design can switch freely between two different essential oils to avoid repeated disassembly. 2. The two nozzles cannot work at the same time, and the left and right nozzles can be switched. 3. Anti-overflow design: the essential oil is not easy to leak when inverted 4. Type-C charging interface: 5V voltage, USB data cable, can be connected to mobile phone plugs, power , computers, and in-vehicle use. 5. It can be and used: the charging time is 6.5 hours. Built-in 4000MAH lithium battery, it can be used for about 250 hours and about 60 days on a single charge.<br><br>Capacity: 5ML, 10ML, 15ML (the machine has two built-in 10ML essential oil bottles). Power supply mode: USB. Type-C charging interface. Light: There are colored lights at the bottom of the host Timing: can be timed Noise: low noise (slight noise). Applicable scenarios: home, office, hotel, yoga room. .... Scope of application: within 100 square meters. After turning on the aroma diffuser, different essential oils have different effects. Water-soluble essential oils: adding water-soluble essential oils produce a small amount of mist after turning on the aromatherapy machine, and the aroma slowly radiate into the air. Pure essential oils: After adding pure essential oils to turn on the aroma diffuser, there is no mist, but the aroma slowly radiate into the air. Both of these conditions do not affect the volatilization of essential oils into the air, which are normal conditions. Color: A:Black Material: Metal<br><br>Package Contents: 1 x Aromatherapy Diffuser<br><br>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.