Puressentiel Diffuse & Go Ultrasound Diffuser The DIFFUSE & GO Puressentiel(R) ultrasonic diffuser allows the diffusion of essential oils through short nebulizations thanks to the ultrasonic diffusion system. Totally portable thanks to the built-in battery, it can be used anywhere (home, office, holiday ...)! The battery, rechargeable with USB cable, has an autonomy of up to 40 hours with a charging time of 3 hours. Very silent, practical and easy to use, this speaker is perfect to be used daily in total tranquility. Dissemination can occur in 3 modes (intense, moderate, long lasting) and can be associated with a delicate ambient light with changing colors or not, according to taste.