The ActionHeat Magnetic Dual Electric Hand Warmer with its innovative 2-in-1 design is an excellent addition to your outdoor adventures. Light, convenient, and designed to keep both of your hands warm simultaneously, this ActionHeat Hand Warmer also acts as a portable battery charger for your USB-powered devices. Built with high-quality casing, this stylish rechargeable hand warmer will provide smooth and even heat all throughout the hand warmer to keep your hands and fingers warm. The user-friendly button controls are designed to make it easy to turn on and off and check the battery life, so there is no guessing, just warmth. HOW TO USE: Charge Up - Fully charge the hand warmer with provided charger kit. Turn On - Press and hold touch-button control for 3 seconds. Press touch-button to adjust the temperature. Features: 2-in-1 Magnetic Design Fast USB-C Charging Touch-Button Control Technology (4 settings) Voltage: 5-Volt Heats up to 135F Innovative 2-in-1 Design: This winter essential features a unique 2-in-1 design that not only keeps your hands warm but also serves as a portable battery charger for your USB-powered devices. Fast USB-C Charging: With its fast USB-C charging capability, this hand warming device quickly powers up, ensuring you spend less time waiting and more time enjoying the warmth it provides. Touch-Button Controls: The portable warmer is equipped with touch-button control technology, offering four customizable settings for temperature control. This user-friendly interface allows you to effortlessly adjust the heat output and check the battery status. Safe and Efficient Heating: Operating at a safe 5-volt voltage, this outdoor heating solution can heat up to an impressive 135°F, ensuring that your hands and fingers are enveloped in consistent and soothing warmth. Long-lasting Heat: This USB-powered warmer offers extended heating times, ranging from 3+ hours at 100% heat to a remarkable 8+ hours at 25% heat. It ensures that you stay warm throughout your outdoor adventures without worrying about the battery running out. Estimated Heating Times: 100% : 135F - 3+ Hours 75% : 125F - 4+ Hours 50% : 115F - 6+ Hours 25% : 105F - 8+ Hours Includes: (1) ActionHeat 5V Magnetic Dual Electric Hand Warmer (2) USB Charging cable (1) Wrist Lanyard