【 Portable design】 mini-size design, easy to carry in pocket, handbag, computer bag, so that it can be used anytime, anywhere.
【 Waterless Detection Technology】The device automatically switch-off after lack of water or 10 minutes of use, there is no need to worry about destroying the product.
【 Super Quiet】 The noise is less than 25dB during working, it will not wake your kids when they are sleeping sound. LED Indicator Light Green light is on shows it is in normal working status， Red light shows insufficient power .
【 Battery / USB cable 】Please do not use the battery and USB cable at the same time. Not rechargeable. It requires 2 AA batteries (not included) or connect a usb cable to the socket to work.