Note : Do not bleach. Use cold water hand washing or washing machine washing. Don't use the washing machine dehydration. Please do not use if you are allergic to Neoprene. Test product first if you are unsure. Recommend 15 to 20 minutes at a time for heat or cold therapy. It's recommended to wear the shoulder brace above a T-shirt or cloth to avoid burns. Skin redness is normal for heat therapy. NOT for pregnt women, kids. Package Includes : 1 x Heated Shoulder Wrape 1 x Adapter 1 x Thermostat connection line 1 x User Manual 3 Heating Setting Mode : Adjustable intensity button providing 3 different heating temperature. From low, medium and high regulate the heat to achieve the coziest hot ever depending on your needs. Green light : lowest - temperature range 40 Degree C /104 Degree F to 50 Degree C /122 Degree F Yellow light : medium - temperature range 50 Degree C /122 Degree F to 60 Degree C /140 Degree F Red light : highest - temperature range 60 Degree C /140 Degree F to 70 Degree C /158 Degree F.