3000000Z high-frequency vibration atomization chip vibrates 3000000 per second to form ultra-fine water molecules. Essential oil aromatherapy can a of essential oils and perfumes to enjoy a healthy and aromatic life. Retro light luxury retro appearance design and color matching, with gold color matching, you can enjoy the fashionable retro style. One line plug and play breaks through the shackles of humidifiers directly plugged into direct current, and can be powered by charging , power adapters, and computers. Double power-off safety protection Heavy protection: automatic power-off in case of water shortage, preventing dry heating. Heavy protection: open the cover and cut off the power to prevent water from wet on the desktop Product Name: Era Humidifying Diffuser Material: ABS+PP+PC Input : DC 5V 1A Working power: 4w Water tank capacity: 250ml Spray volume: about 30ml/h Full water working time: about 8 hours Function: open cover protection, water shortage protection, night light stepless dimming Product size: 107.6x87.3x182.6mm Colour:A:green Package Contents: 1 x Humidifier 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.