Material: Silicone; Product size: 12 4.7*138*119mm, charging 2h, battery life 30h The Ultrasonic Portable Lymphatic Relief Neck Instrument -- Ultrasonic Portable Lymphatic Soothing Body Shaping Neck Instrument is the ideal tool for body cleansing and reduced weight. Ultrasonic Portable Lymphatic Soothing body shaping Neck Instrument -- Through ultrasonic vibrations, the fat cells disintegrate and turn into liquid.It makes it possible for the body to quickly and effectively absorb all natural ingredients, making it reviving and cozy for everyone. Prevent Lymphatic Blockage -- Ultrasonic is believed to boost Our Lymphatic system and how effective Our Lymphatic drainage can be. It can assist Our bodies by allowing the lymphatic system to drain fluids much faster and easier than maybe by-products and other wastes. Ergonomic Design --Ultrasonic Portable Lymphatic Soothing body shaping Neck Instrument use high-quality and malleable materials to make a U-shaped neck massage that fits the curve of your neck. it won"t slip, so there"s no burden on your shoulders. Widely Use -- Ultrasonic Portable Lymphatic Soothing Body Shaping Neck Instrument for sedentary office workers, people with bowed heads, is the ideal tool for body cleansing and reduced weight.