🔥 Features
🔹 2-in-1 Magnetic Design
The coldSky™ hand warmers connect effortlessly with built-in strong magnets, forming a single unit for 360° all-around heat coverage. Use them together or separately — perfect for both hands!
🔹 Larger Heating Surface & 3 Heat Levels
Enjoy an upgraded heating area and three adjustable temperature settings. Whether you're skiing, commuting, or watching a game, you'll always find the ideal warmth level for any winter activity.
🔹 Ergonomic & Portable
Designed for comfort, these palm-sized hand warmers fit perfectly in your hands. Lightweight and compact — easy to slip into your pocket, bag, or gloves for instant warmth on the go.
🔹 Smart Digital Display
A clear LED digital screen shows both the temperature level and battery status, giving you total control and convenience at a glance.
🔹 Long-Lasting Heat (Up to 16 Hours)
With a total 4000mAh rechargeable battery (2×2000mAh), the coldSky™ delivers 5–16 hours of continuous heat. Fully recharges in just 3 hours via USB — ready for daily use all winter long.

⚡ Specifications
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Battery: 2000mAh × 2 (4000mAh total)
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Power Source: Rechargeable Lithium Battery
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Charging Time: Approx. 3 hours
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Heating Duration: 5–16 hours (depending on setting)
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Heat Levels: 3 adjustable modes
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Display: Digital temperature & battery indicator
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Material: Durable ABS + Aluminum Alloy
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Origin: Mainland China
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Safety: No harmful chemicals
🚚 Shipping Info
Average delivery time to major countries (e.g. South Korea, Japan, Israel, Russia, Spain, France, Germany, Poland, Netherlands, Italy, USA, Mexico): 7–20 days.
💙 :Where comfort meets the cold