USB Rechargeable Mini Portable Two Speed Adjustable Intelligent Constant Temperature Heating Hand Warmer Features: Two Temperature Options: This hand warmer provides two heat settings: 40C for indoor warmth and 55C for outdoor use, allowing you to adjust the temperature according to your needs. Instant heating: With just a gentle press, the hand warmer can be quickly activated, providing warmth within seconds, making it an ideal choice for keeping hands comfortable in cold weather. Ergonomically Designed for Comfort: The design is tailored to hold comfortably in your hands, ensuring warmth is distributed evenly to keep you cozy for longer periods. Portable and Easy to Carry: Its small and lightweight design makes it convenient to bring along in your bag or pocket, offering warmth wherever you go. Long-Lasting Warmth: Featuring a robust heating system, this hand warmer consistently provides heat for extended use, ensuring you stay warm throughout the day. Product Description: Product Name: Hand Warmer Product colors: Green Working time: 60-80 minutes Temperature: 50-60 Working power: 3.7V/1A3.7W Product size:8.176.3cm/3.192.762.48in Product weight:64g/0.14lb Package size:8.47.47.4cm3.32.912.91in Package weight:121g/0.26lb Product Description: 1 x Hand Warmer 1 x Charging Cable 1 x Instruction Manual