Rated 4.8/5 (2,467 Reviews)

SunStone™ Rechargeable Hand Warmer

SunStone™ Rechargeable Hand Warmer

mode_heat Instant Heat In Seconds

timer Stays Warm All Day Long

downloading Pocket-Sized Comfort

power Rechargeable & Eco-Friendly

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SunStone™ Rechargeable Hand Warmer

SunStone™ Rechargeable Hand Warmer

$39.99
$39.99 $64.99
SAVE 38% Sold out

Experience instant, all-day warmth with the SunStone™ Rechargeable Hand Warmer. Engineered to heat up in just 3 seconds, it provides up to 12 hours of consistent, adjustable heat powered by a smart AI chip. The unique 2-in-1 magnetic design is perfect for outdoor adventures, chilly offices, or sharing with a friend. Upgrade your comfort and never let cold hands slow you down again.

  • My freezing office is finally bearable thanks to these hand warmers.

    Peggie C.

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    All-Day Warmth

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    Smart Temperature Control

    AI sensors maintain perfect warmth—never too hot, never too cool.

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    12 Hour All-Day Warmth

    Enjoy lasting comfort from morning commute to evening chill.

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    Rapid 3 Hour Recharge

    Fully recharges fast, so you’re always ready to go.

    Short-Circuit and Over Charge Safe

    96%

    Users felt significantly warmer in the cold

    93%

    Customers reported the charge lasts all day

    98%

    Users felt Sun Stone outperformed single-use warmers

    *Results based on surveys of verified customers.

    The Smartest Warmth, Hands Down

    Because your hands deserve more than single-use warmth.

      Others
    Rechargeable
    Adjustable
    Instant Heat
    Last All Day

    What Are You Waiting For?

    Stop letting cold hands ruin your day. Join thousands of happy customers and get the instant, reliable, all-day warmth you deserve.

    GET NOW

    Frequently Asked Questions

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    How do I use the hand warmer?

    Press the power button to turn it on, then select your desired heat level (1–3). Hold or place in pocket for instant warmth.

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    How long does the battery last?

    The hand warmer provides 8–20 hours of heat depending on the temperature setting.

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    Can I recharge it?

    Yes! Simply plug in the included Type-C cable. Both hand warmers can charge simultaneously.

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    Is it safe to use?

    Absolutely. The AI temperature chip ensures safe, controlled heat up to 130°F, with slip-resistant ergonomic design.

    Hear From Our Customers

    • ★★★★★

      A Winter Game-Changer!

      I'm a year-round runner, and my fingers used to go completely numb in the winter. Sun Stone has totally changed that. They heat up instantly and are so lightweight I barely notice them in my gloves. No more cutting my runs short because of the cold!

      Sarah K. | Verified Buyer

    • ★★★★★

      My Secret Weapon for the Office

      My office is notoriously cold, and these have been an absolute lifesaver. The battery easily lasts the entire workday, and the heat is so consistent and gentle. They are quiet, discreet, and I'm finally productive instead of shivering at my desk!

      Emily R. | Verified Buyer

    • ★★★★★

      Don't Travel Without These!

      I bought these for a ski trip and I'm so glad I did. They were small enough to fit in any pocket and the charge lasted the entire day on the slopes. Being able to split them with my wife was a huge bonus. An essential piece of gear for any cold destination.

      Alex T. | Verified Buyer

    • ★★★★★

      Finally, a Gift He Actually Uses!

      I got these for my son for his outdoor football practices and they've been a huge hit. They're durable, easy for him to use, and I love that they're rechargeable and safe. No more wasting money on disposable warmers that barely last through a game.

      Mark T. | Verified Buyer