Features: 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 on a single charge. Size: 144mm x 123mm x 64mm Power supply mode: USB. Type-C charging interface. Timing: can be timed Noise: low noise (slight noise). Applicable scenarios: home, office, hotel, yoga room. .... Scope of application: within 100 square meters. Color: Black Material: aluminium alloy Package Contents: 1 x Diffuser 1 x Usb 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.