1)ultrasonic humidifier 2)0.3nm, absorbable, no sweat 3)adjustable mist, 100ml ... .4MHZ Fixed time 20-25db for Essential oil SPA Office ultrasonic humidifier SpecificationModel No:LM-001Essential oil: YesUltrasonic rate: 2.4MHZMax time ... , User manualAdwantage:Our Aroma diffuser is designed for Essential Oil, Ultrasonic technoloty,which advantage is:1. Mute: 20-25dB.2. 0 ...