| Description Feature 1.High frequency mute: noise reduction design, 0-20 decibels, very quiet, almost no sound 2.Lightweight and comfortable: 170G, light and thin, more comfortable to wear 3.Full silicone bracket: softer, less pressure, neck size fits 4.Micro-curved surface design: ergonomic design, fits the skin surface 5.Soft silicone inner arm pad: skin-friendly soft silicone inner arm pad 6.Intelligent voice broadcast: intelligent voice broadcast in real time, care about you everywhere, easier to use 7.Strong endurance: built-in lithium battery, USB charging, one charge, 30 minutes of daily use, 15 days of sustainable use, long battery life. 8.TENS pulse massage: low-frequency pulsed … | |