Aroma diffuser (rechargeable), power supply: USB, applicable area 41-60 square meters, water tank capacity, 1 liter or less, noise 36 dB or less Easy to install, tear off the traceless adhesive on the back, easily stick to the wall, firm and not easy to fall, built-in rechargeable lithium battery, energy saving and long battery life, not limited by the power cord to save space Voltage nominal: 3.7-5 (V), rated power: 1 (W), standard essential oil; 1 bottle, USB plug, rechargeable, net weight; 0.124 kg, product size; 5.2 * 5 * 16 CM Multi-level adjustment, free removal of fragrances and aldehydes, three-level gear design, once a good gear is expected, it will quickly vaporize the perfume and aldehyde at the time of appointment and will adjust the concentration based on space requirements to fill the scent. (1) 1st speed blue light; work for 5S, pause for 15 minutes, (2) 2nd gear green light; work for 5S, pause for 10 minutes, (3) 3rd gear red light; work for 5S, break for 5 minutes Using ultrasonic atomization technology, the diffusion atmosphere is wide and the fragrance is long-lasting, and the essential oil molecules are on Less than 10nm, with intermittent spray mode to make the fragrance concentration more suitable