Trisa Sonic Performance – the Swiss sonic toothbrush for a brilliantly beautiful smile. The Sonic Performance ensures superior deep cleaning thanks to 40,000 sonic movements and the resulting hydro-dynamic effect. The automatic time control signals every 30 seconds to switch the area of the teeth being brushed. After two minutes, a longer pause indicates that the dentist-recommended brushing duration has been reached. The operating status of the electric toothbrush is displayed on the smart display. Clean: for very efficient cleaning of tooth surfaces and between teeth. Sensitive: for gentle cleaning of teeth and pleasant stimulation of the gums. Accu: optical warning light for low battery charge. Charge: control signals for charging process (blinking) and full charge (steady light). Made in Switzerland.