Features: Experience instantly warmth with this burn prevention hand warmer featuring LED light and 2 adjustable heat modes for safe, continuous comfortable during prolonged use. Use selected fabric, the discreet design combines breathable layers with thermal insulation technology to maintain optimal temperature retention. Great for winter indoor, outdoor adventurers requiring portable heat sources, or professional needing discreet warmth during cold office hour. Perfect for winter commutes, home relaxation, use as palm warmers during snow hikes or place strategically under clothing for enhanced circulations. This rechargeable heating pad eliminates singleuse chemical packs, offering warmth through its advanced ceramic heating and washable fabric construction. Specifications: Component: Fabric, Plastic Product Size: As pictures shown Color: 01/02 Battery Duration: 5hours Builtin Battery Capacity: 900mAh Output Voltages: 3.7V Package Includes: 1PC USB Hand 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.