Portable outdoor hand warmer adopts electric heating technology, three-level temperature adjustment, accompany you through the cold winter. Made of high-quality fabrics, nice warmth retention, ergonomic design, easy to carry, very suitable for winter outdoor activities such as camping, climbing, fishing, hiking, etc.Features:Winter heated hand warmer, windproof and warm, one-button heating, to accompany you through the cold winter.Using electric heating technology, three-level temperature adjustment, easy switching, to meet your different needs.With a USB interface, it can be connected to power banks(not included) for power supplys. Comes with a power pocket for easy storage.Made of high-quality fabrics, warm and comfortable, the beam design at the opening is effective against wind and has a better thermal effect.Adjustable neck straps design, easy to adjust to the right length, ergonomic design, easy to carry.Practical hand warmer, perfect for winter outdoor activities such as camping, climbing, fishing, hiking, etc.Specifications:Color: Black/ Reed Camo(optional)Material: CottonItem Size: 460 * 180mm/ 18.1 * 7.1inPackage Size: 345 * 240 * 30mm/ 13.6 * 9.4 * 1.2inPackage Weight: 260g/ 9.2ozPacking List:1 * Hand Warmer