PORTABLE & WASHABLE: Premium soft Lycra fabric, ultra thin to 0.1 inch, breathable, lightweight, great for indoor & outdoor use. Hand Washable, Air drying completely before use. WHAT YOU GET: Heating waist belt,5000mA battery, USB cable, User manual,NOTE:The adapter is not included in our products, you can use the normal adapter.Worry-free 365 days warranty. [WIDELY APPLICATION]: Adjustable Velcro and elastic straps for various waistlines. .It is Suitable for Multiple body parts hot compress, especially great for Waist, Abdomen and more. [includes 5000mA Power Bank]:Not built-in battery. Powered by DC 5V-2A Portable Battery, or low voltage power line, such as laptops, USB adapters, etc., highly suggest to power it with your Power Bank(included 5000 mA Power Bank). [HEATING PERFORMANCE & 100% SAFETY]: Fast warming, no need waiting; 3 Heat Settings for you to customize the intensity of heat; Press switch 3 seconds ON/OFF; Press switch quickly for modes change:149?(Red),131?(White),113?(Blue).For Your Safety, It features accurate intelligent Constant Temperature Control system, and Automatically turn to Low Temperature Setting after 30 mins of working. [ADVANCED HEATING ]: Heating pad features latest Graphene Heating Chip, deliver heat to your body to improve Blood Circulation and Relax the Muscles, greatly relieve pains from Back, Sore Muscles, etc.