【Item Condition】 Only what is shown in the first photo is included. Two boxes, one instruction manual, two knee supports, two extension belts, two power controllers (with scratches), and two storage pouches are included. Not included are "USB cable type C x 2" and "instruction manual x 1". USB cables from 100-yen shops can be used. The power controllers have markings that are worn off, as well as fine and noticeable scratches. Please see the second and third photos. Please refrain from purchasing if you do not understand that this is a used item or if you feel uncomfortable with it. Also, I will not negotiate on the price. Please consider purchasing if you agree with the above. 【Product Description】 opove 【Cares deep into the muscles with red and near-infrared light】660nm red light and 850nm near-infrared light reach deep muscle layers of the skin, gently warming the knees. Ideal for those who have to stand for long periods, suffer from the cold, or are concerned about the strain on their knees. 【Knee Refresh with Vibration and Heat】 Muscle relaxation through vibration and the effect of heat warm the knees, achieving authentic knee care. Equipped with 3 vibration courses and 2 irradiation modes, you can easily adjust them to your mood. 【Cordless and Usable Anywhere】 Equipped with a 2500mAh large-capacity battery, it can be used continuously for about 1-2 hours on a full charge. Because it's cordless, you can use it casually while doing housework or desk work. 【Applicable to Knees, Elbows, and Shoulders】 The Velcro design makes it very easy to put on and take off. An extension belt is also included, allowing for a wide range of size adjustments, and it fits snugly not only on the knees but also on the elbows and shoulders. The material used is "neoprene," which is also used in wetsuits and is heat-resistant and stretchable. 【120 LEDs are installed】 Normally, one LED is installed on one chip, but the OPOVE R3 has 3 LEDs arranged on one chip, with a total of 40 red LEDs (660nm) and 80 near-infrared LEDs (850nm), allowing for more extensive and intensive care.