Kee Heat Massager, Adjustable Hot Compress 3 Modes USB Heating Knee Brace Wrap

With magnetic battery compartment and USB intelligent heating for easy to use. Also designed with hook and loop fasteners for adjustable tightness to suit most body types. A variety of scenarios are available, perfect for road trips, exercise, cooking, work, car, office, watching TV, for sitting on the sofa or wheelchair use. Has large heating area, can perfectly fit whole knee. And hollow out design on back will not affect movements, soft and comfortable fabric is skin friendly.