Features: Advanced heating, the heating pad features the latest graphene heating chip, delivering heat to your body to improve blood circulation and relax muscles, greatly relieving pain from back, sore muscles, etc. Heating safety, fast heating, no need to wait, 3 heat settings to customize heat intensity; press the power button for 3 seconds to turn on/off. Quickly press the power button to change modes: 149℉ (red), 131℉ (white), 113℉ (blue). For your safety, it has a precise intelligent constant temperature control system and automatically switches to a low-temperature setting after 30 minutes of work. Includes 5000mAh Power Bank, not a built-in battery. Powered by a DC 5V-2A portable battery, or low-voltage power cord, such as laptops, USB adapters, etc. Highly recommend powering it with your Power Bank (includes 5000 mA Power Bank). Wide application, adjustable elastic straps for different waist sizes. It is suitable for hot compress on multiple body parts, especially good for the waist, abdomen, and more. Portable washable, premium soft lycra fabric, ultra-thin to 0.1 inches, breathable, lightweight, perfect for indoor and outdoor use. Hand washable, air dry completely before use. Specifications: Material: Graphene+Electronic components Type: 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 between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Pc USB Cable 1 Pc Extension Cord 2 Pcs Wormwood Bags