Product Description & Specifications:1.Ultrasonic Portable Lymphatic Soothing Body Shaping NecklaceUltrasonic vibration causes fat cells to disintegrate and turn into liquid.Neck acupoints massager device allows the body to absorb all ingredients quickly and effectively, making it invigorating and cozy for all.2.Good blood circulationThe ultrasonic posture correction necklace helps blood flow to organs and tissues throughout the body. Through the waves emitted by the instrument, it helps to dissolve blockages and abnormalities.3.Prevent Lymphatic Congestion Ems Lymphatic Soothing Body Shaping Neck Instrument Massager is designed to improve our lymphatic system and the effectiveness of our lymphatic drainage. It can help our body's process by allowing the lymphatic system to drain fluids much faster and easier, which can carry cellular by-products and other wastes.4.Ergonomic DesignPosture Correction with Smart Vibration Reminder, Use high quality and malleable materials to make a U-shaped neck massage that fits the curve of your neck. Neck pain relief device will not slip, so it is not a burden on your shoulders.5.WidespreadThe portable lymphatic neck massager, suit for sedentary office workers, people with bent head, is the ideal tool for body cleansing and reduced weight. Specification:Material: siliconeSize: 124.7*138*119mmWeight: 152gCharging: 2 hours, Battery life: 30 hoursColour: Black, Orange Scope of delivery:1 X Ultrasonic Portable Lymphatic Soothing Body Shaping Necklace. Notice:1. please allow 1-3mm error due to manual measurement. 2. please forgive any colour differences in the pictures due to different monitors.