This all-in-one device seamlessly combines cold, heat and vibration therapy to optimize knee recovery and keep you moving throughout the day. Manage pain and inflammation with cold therapy. Reduce tension and aches with heat. To maximize effectiveness, add vibration for increased blood flow and pain relief. Proprietary Cryothermal Technology enables fast cooling, heating and effective contrast therapy. Heat: 2 minutes – 35 degrees C, 38 degrees C, 43 degrees C, 40 degrees C, 38 degrees C. Cold: 3 minutes – 10 degrees C. Contrast therapy: 3 minutes Cold: 10 degrees C. Heat: 43 degrees C. One-size-fits-all. Germanium fabric. Battery life: 60 minutes in cold mode, 90 minutes in hot mode, 30 minutes in contrast mode. Includes: RecoveryTherm Hot & Cold Vibration Knee device, Removable battery, Soft case, USB-C charging cable and power adapter.