COTOP Hand Warmers Rechargeable, 2 Packs with Charging Case 14000mAh Reusable Electric Heater, USB-C Pocket Double-Sided Heating Up to 36 hours, Gift for Men Women Ski, Camping

2024 Newest Technology: Charging case-An industry first for hand warmers. This revolutionary innovative design combines a high-capacity 10000mAh battery case. Compact and convenient to take wherever you go while keeping your hand warmers charged and ready. Keep you warm in all-day outdoor adventures or cold weather.  Small body, Double-Sided Heating: These portable hand warmers feature dual heating surfaces to deliver consistent warmth on both sides. Small lightweight body is more energy saving, and ideal for both adults & kids to hold easily and comfortably AI Temperature Management: 1s instant heating, 3 levels temperature settings. The AI system equipped with built-in sensors continuously monitors and adjusts the temperature to avoid overheating,The hand warmer is made of high-quality, heat-resistant materials, smooth and warm polished exterior body. safe to touch and durable for long-term use. 14000mAh total. 2 packs* 2000mAh, plus 10000 mAh charging case, the usage time will be up to 36 hours. Light and easy to hold when camping, hiking, skiing, winter outdoor activities An impressive technology gift: This hand warmer will be the best gift choice for a family member, a friend, a colleague, or a loved one in cold seasons and Christmas. or who has raynaud's or always has cold hands.