Atomiser viennese-bluetooth speaker-usb-colour ch.-timer viennese atomiser has bluetooth speaker; uses ultrasonic waves to instantly vaporize water and essential oil in the tank, to produce a cool, dry fragrant mist. - tank capacity 300ml - led light - 7pcs - powered bu usb ( length of the cord 100cm) - auto power off when water runs out - timer 2,4,8,16h height: 15cm, diameter 15.5cm, weight 350g