RENPHO Massage Gun with Heat & Cold features a specialized thermal head with 4 adjustable temperature settings for targeted muscle therapy. Powered by a high-torque brushless motor, it delivers up to 45 lbs of intensity across 5 speed levels, shown on an LED display with battery indicator.Fast USB-C charging supports portable use, and the included travel case holds the gun and 5 massage heads for quiet, on‑the‑go relief. A 10‑minute auto‑off prevents overuse. Ideal for home, gym, or office recovery. | Renpho | | Massage Gun with Heat and Cold for Full Body Muscle Recovery, LED Display & 5 Speed | Black | Best Buy