Rechargeable Portable USB Hand Warmer-5wh. Made of premium aluminum and ABS, Eco-friendly lithium ion battery. Nice size to hold and feels smooth in your hands. Handy carrying anywhere with any pocket or bag while sporting,fishing, hiking. This compact and stylish hand warmer is the perfect blend of functionality and fashion, ensuring that you stay warm and chic even in the coldest of climates. Make it uniquely yours or your brand’s with a custom-printed logo. Perfect for corporate gifts, promotional items, or personal use. Made from abs+aluminum alloy material, measuring 4.02*2.32*0.94inches, this custom rechargeable portable usb hand warmer power bank-5200mah. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Compact size, lightweight, easy to carry.