Features:

1.High Quality: Made of highest grade neoprene.Breathable and lightweight neoprene ease discomfort. Temperature regulating provides warmth yet still allowing air to circulate

2.Convinient: You can not only use it before computer or socket, a portable charger will allow you to be on the go while still having a heated shoulder wrap (moving around, in the car, jogging, on a plane.

3.Size: One size fits from 31'' to 51'' in chest circumference, from 9'' to 16'' in arm circumference.With adjustable design it fits both left or right shoulder for men and women.

4.Multiple additional benefits: Include (wrapping on the knee, laying over your shoulder for pain relief, sitting and using on your lower back and eliminate debilitating pain from other parts of your body as well)

5.Note:There will be 2-4 ℃ of error with different measuring instruments and measuring position!Applicable ambient temperature: -30℃ to 15℃

Product parameters:

Material: Highest Grade Neoprene.

Size: One size fits from 31'' to 51'' in chest circumference, from 9'' to 16'' in arm circumference.

Fits either left and right Shoulder.

USB Output voltage: 5V/DC;

The first gear ( red light), temperature is around 44℃/111.2℉;

The second gear ( white light), temperature is is around 41℃/105.8℉;

The third gear ( blue light), temperature is is around 38℃/100.4℉.

Power Adapter Output voltage: 8.4V/DC;

The first gear ( red light), temperature is 56-65℃/132-149℉;

The second gear ( white light), temperature is 46-55℃/114-131℉;

The third gear ( blue light), temperature is 40-45℃/104-113℉.

Considerations:

1.It is NOT recommended to use high temperature for a long time to avoid burns.

2.Batteries, connecting plugs and chargers should avoid contact with water during operation. It should be used in completely dry condition.

3.NOT for Pregnant women, young childr