Handheld Cold Laser Therapy Device for Muscle Reliever, Knee, Shoulder, Back, Infrared Light Therapy Pain Relief Device with 650nm and 808nm
The treatment process is painless, non-invasive, no trauma, green and safe
For Knee, Shoulder, Back, Joint & Muscle Pain, Arthritic Pain, Sciatic Pain, we suggest use twice a day and about 20-30 minutes each time. At least 4 hours' interval between twice use in a day. About 15 days is one treatment course and 2-3 days' interval between 2 courses.
Portable & Convenient Operation: Small size and handheld, specially design for household use. 4 unit light with 808nm and 12 unit light with 650nm .The output power is 660Mw.
One long press to turn on, press again to start treatment. A rechargeable 2600mAh lithium battery inside, when fully charged for 2 hours, its duration time reach 4 days.
The 808nm is a very weak beam, it is not as bright as the 650nm, so the naked eye is difficult to observe clearly. So you probably don't think it's activated yet, actually it's already working.Just use your iPhone or any phone's camera to take a picture and look through this picture and you should see it.