Abundant functions Belt type neck EMS 4 types of EMS 15 levels of intensity adjustment 3 types of heater functions Ultra light (60g) Large capacity battery 4 current modes & 15 levels of intensity adjustment Combination mode (1-200Hz) Knob mode (1-75Hz) Adding mode (20-200Hz) Switching mode (20-120Hz) You can choose the mode according to your preference With 3 heater functions Low temperature mode (approx. 38C~39C) Medium temperature mode (approx. 40C~41C) High temperature mode (approx. 42C~43C) Lightweight & compact, ultra-light 60g, strap type that does not take up much space It can be used easily even when moving or traveling. Also recommended as a gift Easy-to-operate, easy-to-view display Automatic power OFF function Automatic power OFF function after 15 minutes of use. USB typeC rechargeable large-capacity battery continuous use time of 120 minutes