【Ultra-Light and Ultra-Thin】 Leveraging OCOOPA’s new technology, the UT3 Lite is slimmer and lighter, at only 1.85cm thick and weighing 65g each – perfect for slipping into gloves or pockets 【Magnetic Rechargeable Hand Warmer】 Equipped with four powerful magnets for a secure and quick connection between two hand warmers, making it compact and convenient to carry 【Premium Quality】 Offers a superior experience with a certified temperature control chip, smooth polished exterior, ergonomic single-button operation, dustproof USB cover, and a silicone wrist strap 【Instant and Long-Lasting Heat】 Heats up in just 5s with three temperature settings, reaching up to 126℉; 5000mAh lithium battery with USB-C port ensures extended usage 【Ideal Gift for Everyone】 Perfect for campers, golfers, hikers, skiers, winter outdoor enthusiasts, and anyone with Raynaud’s or cold hands, bringing them warmth Specifications: Parameter Details Model UT3 Lite Battery Capacity 2500mAh*2 Charging Time 3.5 hours Usage Time 8-16 hours Input Type-C 5V?1A Output N/A Temperature Levels 3 levels: 100-108℉ (38-42℃) / 109-117℉ (43-47℃) / 118-125℉ (48-52℃) Indicator Lights Red/Blue