Price as of Oct 13, 4:28 PM ET. Amazon prices change often; the price in your cart is the one that applies.
One of our picks for Wednesday, October 14, 2026. We haven't tested it. How we pick
The Cordless Gem 5100 is Waterpik's quiet portable flosser. It runs on an internal rechargeable battery that lasts several weeks between charges, refilling over an included USB cable. The handle is fully waterproof for use in the shower, and the flossing tip rotates 360 degrees to reach back teeth. A travel lock keeps it from turning on accidentally inside a toiletry kit.
It suits anyone who finds traditional string floss clumsy around braces or dental work, or who wants a flosser that packs flat into a suitcase. If you want ten fine pressure levels and a three-minute water reservoir, a countertop station is the better choice.
Worth knowing The built-in reservoir holds about 60 seconds of water, so thorough flossing sessions often require a quick refill midway through. It includes a USB charging cord but no wall plug.
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