Coslus CX51 Cordless Water Flosser for efficient and long-lasting cleaning, IPX7 waterproof design is safe to use in the shower, at the sink, or during night care. Fully sealed leak-proof construction ensures durability and easier cleaning after meals. Powerful Rechargeable Battery and Power Indicator. Charges in just 3 hours for up to 30 days of use. Soft-touch matte finish with ergonomic non-slip grip provides a firm and comfortable grip for adults, seniors and teens. Rugged construction ensures a three-year lifespan, making it a reliable companion for long-term health.