Quick heating technology: Delivers warmth fast, reaching 55°C in 3 seconds to keep your hands warm in cold conditions. Adjustable temperature settings: Two modes (45°C and 55°C) are provided for you to choose according to your needs. Longlasting battery life: 6000mAh battery provides up to 5 hours of continuous heating, reducing the need for frequent recharging. Safe and durable construction: Made with fireresistant ABS, aluminum, and silicone for strength and safety. Designed for reliable use as both a hand warmer and a power bank. Dual functionality: Can function as a hand warmer and as a portable power bank when needed. Portable and practical: Compact design for easy carrying and everyday use. Use scenarios: Outdoors in cold weather: commuting, walking, or outdoor activities where quick, reliable warmth is needed. At a desk or indoors: stay warm during long workdays or while relaxing at home. Travel, camping, or sports events: compact warmth and emergency power on the go. Key attributes at a glance: fast heat up to 55°C in seconds, two temperature options, up to 5 hours of heating, 6000mAh battery, fireresistant and durable materials (ABS, aluminum, silicone), dual function as hand warmer and power bank, portable and easy to use.