- Wide Compatibility: This versatile travel companion combines hand warmer functionality with a power bank, providing warmth and charging capabilities for your USB devices outdoors. Essential for outdoor activities, it is compatible with smartphones, tablets, and more. - Adjustable Temperature Settings: Customize your comfort with adjustable temperature settings on our portable hand warmer. This feature effectively meets your varying temperature needs, allowing you to maintain optimal warmth throughout the day. - Extended Usage Time: Equipped with a high-capacity battery, our portable hand warmer ensures long-lasting warmth while easily charging your electronic devices on the go. Stay warm while keeping your gadgets powered up during your travels. - Easy to Carry: Designed for portability, this ergonomic hand warmer fits easily in your pocket or bag. Enjoy reliable warmth during daily commutes, camping trips, or hiking adventures without the bulk or inconvenience. - Practical Use Scenarios: 1. Stay warm during chilly morning walks or commutes. 2. Keep your hands toasty while camping or hiking in cold weather. 3. Charge your phone or tablet conveniently while enjoying outdoor activities. Experience the perfect blend of functionality and convenience with this portable hand warmer and power bank, designed to enhance your outdoor experience.