[Rechargeable & High Capacity] TempBliss rechargeable hand warmers feature a powerful 10000mAh charging compartment, ensuring long-lasting warmth and convenience. Charging compartment can charge a single hand warmer 5 times when fully charged. The hand warmers are 2000mAh*2 in capacity and provide up to 11 hours of heating per charge, making it ideal for both outdoor and indoor use | [Double Sided Heating] Experience instant and even warmth with double-sided 360°heating technology. Both sides of the hand warmers heat up simultaneously, providing comprehensive and consistent warmth to keep your hands cozy in cold weather | [Smart Temperature Control with Dynamic Heating] Equipped with smart temperature control, TempBliss hot hands hand warmers offer three adjustable heat settings (95-107.5°F, 107.5-118.5°F, and 118.5-131°F. Short press to switch heat levels). Unlike traditional hand warmers, the TempBliss models use a dynamic heating curve, allowing the temperature to fluctuate slightly within each setting for a more natural and comfortable warming experience | [Portable Pocket Heater] Designed to fit easily into pockets, bags, or backpacks, TempBliss electric hand warmers are portable and lightweight (2.11 oz). Whether you're camping, fishing, playing golf, or simply enjoying the outdoors, these hand warmers with 10000mAh charging case are the perfect companion for any adventure | [Practical Winter Present] With its stylish design and practical features, TempBliss rechargeable hand warmers make an excellent Thanksgiving or Christmas present for friends and family during the winter season. Ideal for anyone who spends time outdoors or needs a reliable source of warmth, this 2-pack set is both thoughtful and useful | About The Charging Compartment: 1.Click the bottom switch to display the power level. 2.While the charging compartment is charging, it can also charge the hand warmer. 3.Charging compartment can charge a single hand warmer five times when fully charged | About The Hand Warmers: 1.Double press button and the blue light shows battery level. 2. Press and hold for 3 seconds to turn on / off hot hands mode. 3.Short press to switch heat levels. 4.When the hand warmer is fully charged, the blue light turns off