Features: Relieve foot jointS pain with this heated foot warmer with thermal therapies, intelligent temperature control, and auto adjusting heat settings to prevent burns while maintaining consistent warmth. Simple design combine fabric and plastic materials for discreet wear under clothing, delivering fast heat through easuy operations with LED for effortless mode switching. Great for outdoor enthusiasts, or who seeking warmth during cold commutes, office work, or home relaxation. Multiuse for indoor and outdoor use, slip into socks for foot insulation, hold as a palm warmer, for enhanced heat penetrations during winter walk. With skin friendly fabric that traps insulating air layers for prolonged heat retention, this rechargeable heating pad use as friendly solution for chronic cold feet relief. Specifications: Component: Fabric, Plastic Product Size: As pictures shown Color: 01/02 Type: 01/02 Battery Duration: 5hours Builtin Battery Capacity: 900mAh Output Voltages: 3.7V Package Includes: 1PC Electric Foot Warmer note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.