
Perfect For This Season
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FAQs
How quickly do they heat up?
How quickly do they heat up?
You’ll feel warmth in as little as 2 seconds after turning them on. Just press the power button and instant comfort begins — no shaking or waiting.
How long does the battery last?
How long does the battery last?
Each warmer provides up to 7 hours of steady heat on a full charge, depending on the temperature setting and weather conditions.
How do I recharge them?
How do I recharge them?
Plug the included USB-C cable into any USB port, wall adapter, or power bank. A full recharge takes about 2–3 hours.
Can I use them inside gloves or pockets?
Can I use them inside gloves or pockets?
Absolutely. The slim, rounded design fits easily in gloves, coat pockets, or even jeans. They’re lightweight enough to carry anywhere.
How hot do they get?
How hot do they get?
There are three adjustable heat levels, from gentle warmth to deep, soothing heat that can reach around 125 °F (52 °C) on high.
Tip: For prolonged use, medium heat is usually perfect.
Are they safe to use?
Are they safe to use?
Yes! Each hand warmer has a UL-certified lithium battery with overheat, over-charge, and short-circuit protection for total peace of mind.
Are they sold as a pair?
Are they sold as a pair?
Yes — this set includes two independent warmers, so you can keep both hands warm
What comes in the box?
What comes in the box?
You’ll receive 2 Ocoopa UT5 Nano Hand Warmers, 1 USB-C charging cable, and 1 user manual — everything you need to get cozy right away.
What if I’m not satisfied?
What if I’m not satisfied?
We’re confident you’ll love your new hand warmers — but if for any reason you’re not completely happy, we offer a no-questions-asked 30-Day Guarantee. Simply return them within 30 days for a full refund or exchange.
Simply contact us at support@bymarlowe.com and we'll make it right