Double Nozzle Humidifier Bedroom Mute Desktop Large-Capacity Air Purifier (USB type) feature: Dual spray and heavy mist humidifier] Independently controlled dual spray design, the maximum spray volume can reach 70ml/H. The humidifier uses ultrasonic atomization technology to form nano-level mist, which can effectively moisturize the skin. 3 adjustable spray modes] The humidifier has 3 adjustable spray modes, which can be adjusted according to different weather conditions and environmental humidity. The single spray mode can work continuously for 12 hours and can produce 35 ml of mist per hour. The dual spray mode can run for up to 10 hours under a pressure of 70ml/H. Intermittent mode can work for 8 hours. Low noise] The humidifier is quiet and quiet, and the working noise is less than 20db (quieter than the air conditioner), This way you can fall asleep or work without interference. It is an ideal humidifier for quiet indoor use, suitable for people who are sensitive to sound. Auto-off function] In the single spray mode, the humidifier will work for 10 hours and then automatically shut down. In the dual spray mode, It will work for 5 hours and then automatically stop running. There is no need to worry about damage to the humidifier itself or injury to the user. ①Do not use essential oils, distilled water or purified water, otherwise the mist will be blocked. Please use tap water only. ②Before use, Please fully soak the cotton swab with tap water. ③When installing the cotton swab, please pay attention to prevent the bottom spring from falling off! Product size: 15.8 * 12.2 * 11.6cm Product color: white, pink, green, blue Rated power: 5W Applicable area: 21-30 square meters Product Specifications: Battery Product packaging: 1 *Double nozzle humidifier + charging cable + manual