Device for massaging the neck and neck muscles using EMS electrostimulation Improved blood circulation, reduced pain, stiff neck and muscle tension Warm compress function ~37-43oC (3 levels) Very easy to use and design allows for use at any time and anywhere Double Pulse Technology 4 massage modes 9 intensity levels Levels 1-3: regular relaxation massage Levels 4-6: Reduction of chronic cervical spine pain Levels 7-9: Reducing the inconvenience of the "uncomfortable pillow" Control module with LED display Pulse power: ~5W Power supply: lithium polymer battery Operation: up to 150 min (in 15 min intervals) on a full charge Battery charging: USB-C cable 5V 1A ~2 hours Dimensions: 4.7x4.7x1.6cm (controller), max, neck circumference ~78cm Weight: 0.57 kg