Multiple Level Lumbar Support Massage Stretcher

Features: U-Shaped Design: The device has a U-shaped design to conform to the shape of a person's mouth. It's made of food-grade soft silicone material to prevent gum irritation. Deep Cleaning: It uses powerful ultrasonic cleaning with four optional gear settings, offering different modes for brushing, massaging, and whitening teeth. IPX7 Waterproof: The device is fully waterproof, making it safe for use in the shower, ensuring easy cleaning. 360° Cleaning: The device employs technology for 360° brushing, reaching both the surface and inside of teeth for thorough cleaning. Hands-Free: Its U-shaped single-mouth design allows for hands-free brushing, enhancing convenience and efficiency. Specifications: Working Method: Ultrasonic Vibration Material: Food-Grade Silicone Control Method: Push-Button Colors Available: Black, Blue, White Dimensions: Approximately 60 x 25 x 110 mm (2.4 x 1.0 x 4.3 inches) Weight: 260 grams (0.6 pounds) Rated Voltage: DC 3.7V Rated Frequency Conversion: