SURI answers the pile of plastic that oral care leaves behind. The body is aluminium and designed to be opened and repaired rather than binned, brush heads are made from cornstarch with castor oil bristles, and used heads go back to the company in a prepaid envelope for recycling. The sonic motor runs about 33,000 movements per minute and the battery stretches to roughly forty days, so a two week trip needs no cable. The UV travel case cleans the head between uses and charges from the sun or a socket.
Chosen mostly by people who care about repairability and packaging as much as plaque. Those who want app statistics, several intensity levels or a pressure warning will find the interface deliberately sparse. The case is sold separately in some bundles, which pushes the real cost above the headline figure.
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