Frozen hands are a thing of the past when you use the HotHands 2-in-1 Rechargeable Hand Warmers. Easy to use and safe, these hand warmers are rechargeable and boast 3 settings so you can enjoy up to 8 hours or warmth that recharges in as little as 3.5 hours. Thin enough to fit in most gloves, plus these HotHands are magnetic, allowing them to be used together as a single unit. Provides up to 4 hours on warmth on high, 6 hours on medium, and 8 hours on low. Includes a USB charging cord.Manufacturer model #: H163650. Magnetic design lets you use them as 1 unit 3 settings provide heat up to 8 hours Thin enough to fit in most gloves Included USB charging cord