Pulse neck massager

▸ Technical principle: EMS low-frequency pulse muscle stimulation
▸ Material structure: 304 stainless steel outer ring + skin-friendly protein skin
▸ Strength adjustment: stepless speed regulation 12 gears + 3 massage modes
▸ Hot compress system: independent heating sheet constant temperature 40-42 °C
▸ Power supply configuration: lithium battery drive / weight 134g