Features: 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. Heating performance 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. Includes 5000mAh Power bank,not built-in battery. powered by for 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). Widely application,adjustable elastic straps for various waistlines.it is suitable for multiple body parts hot compress, especially great for waist, abdomen and more. 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. Specifications: Material:Graphene+Electronic Components Tape:1,2,3 1:3 Levels Hot Compress 2:3 Levels Hot Compress+6 Vibration Massage 3:APP 3 Levels Hot Compress+6 Vibration Massage Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item. Package includes: 1 Piece Usb Cable 1 Piece Extension Cord 2 Pieces Wormwood Bags