The Shyn toothbrush handle runs on a Nickel Metal Hydride (NiMH) rechargeable battery. Unlike other electric toothbrushes, it does not require AA batteries, which saves on having to buy more batteries.
The Shyn toothbrush handle runs on a Nickel Metal Hydride (NiMH) rechargeable battery. Unlike other electric toothbrushes, it does not require AA batteries, which saves on having to buy more batteries.