Rechargeable 1.3-in-1 Hand Warmer Experience warmth and versatility with our rechargeable hand warmer, featuring a powerful 10000mAh battery that provides up to 15 hours of heat. The actual duration may vary based on your environment and temperature settings. This USB hand warmer doubles as a power bank, allowing you to charge your devices anytime, anywhere. Key Features: - Fast Heating & Adjustable Temperature: Equipped with intelligent heating chips, our hand warmer heats up quickly. Press and hold the power button for 2 seconds for instant warmth. Adjust to three temperature settings: 104°F (40°C), 122°F (50°C), and 140°F (55°C) to suit your comfort indoors or outdoors. - Unique Sunset Light Mode: Enjoy a soothing sunset light feature that enhances your bedroom ambiance, perfect for photography, or creating a cozy atmosphere. - LED Temperature Display & Battery Indicator: The smart LED display shows your current temperature setting (40°/50°/60°) and four LED indicators help you monitor battery life (1 light: 25%, 2 lights: 50%, 3 lights: 75%, 4 lights: fully charged). Quick charging takes 3-6 hours. Practical Use Scenarios: - Outdoor Activities: Keep your hands warm during hiking, camping, or winter sports. - Daily Commuting: Stay warm while waiting for public transport or walking in cold weather. - Home Comfort: Use it while working, reading, or relaxing at home to maintain comfort. This hand warmer combines functionality with thoughtful design, making it an ideal gift choice for loved ones. Stay warm and connected with our portable hand warmer today.