I got this for my grandpa but he never used them so it is practically brand new.

Here is more info on them:

- Red Light Therapy Arm Pad: Red infrared light arm pad has been designed for personal use to treat an extensive range of musculoskeletal problems. It has a good effect on relieving chronic pain. Professional arm belt for sports protection and pain recovery.One arm pad has 60 pcs deep lights, including 48pcs red lights(660nm) and invisible 12pcs near-infrared lights(850nm)

- Timer Setting&Brightness Setting: Red light device work with auto shut-off for 15,30,45,60,90 minutes and five-level brightness setting L1-L5.
This device can be used every day, and it is safe for all skin types

- Anytime & Anywhere: Widely used in various places such as at home, working, driving, and more. By connecting to a power bank or charging terminal, you can enjoy it anytime and anywhere.

- Package Included: 2pcs arm pads, 2pcs velcro strap, 1 pc controller, 1pc power cord, and 1pc one driven two cables.