Introducing the HandWarmer PowerBank, the ultimate cold-weather companion designed to keep your hands warm and your devices charged. This innovative device combines the convenience of a five-stage temperature control system with the utility of a portable power bank, ensuring you stay warm and connected all day long. Easily recharge your hand warmer using any USB port, so you’re always ready for the cold with minimal effort. Order now and experience the comfort of customizable warmth and power at your fingertips. Made from abs+aluminum alloy material, measuring 4.65*3.15*1.97inches, this custom digital display handwarmer power bank. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Compact size, lightweight, easy to carry.