This red light device with 660 and near-infrared 850nm is the best combination wavelength for therapy to penetrate and cause thermal effects to increase tissue temperature, enhance metabolism, improve cell vitality. Built-in infrared heating pad for shoulders, this heating pad provides a comfortable warm compress for your shoulder and upper arm. This Infrared Light Therapy for Body has five modes, one (25% Energy, 102°F), two (50% Energy, 113°F), three (75% Energy, 124°F), four (100% Energy, 146°F), and five (Pulse mode, 112°F). Maximum power is 24.8W, built-in overheat protection chip, automatic shut-off after 30 minutes of working, safer than other brands of heating pads. This Red Light Therapy Shoulder has 2 power modes, direct plug-in use and USB mode connected to a mobile power source.
This Shoulder pad is universal for both left and right shoulders, and can take care of shoulder joints and arm muscles at the same time. See pictures for more item details.