Is this hand warmer safe to use?
Absolutely safe! The Lerat hand warmer is UL certified and equipped with a safety temperature control chip. It continuously monitors temperature to prevent overheating, so you can use it with complete confidence.
How do I use this hand warmer?
Press and hold the button for 3 seconds to turn it on/off. Short-press to switch heating levels, and double-press to check the battery status. The indicator light will flash when the battery is low—simple and easy to operate.
What if the product doesn’t work/won’t turn on?
Try 3 quick fixes: 1. Charge 30 mins if unused for a while; 2. Check USB-C cable connection or try a different port/charger; 3. Hold the button 3s to power on (short press = switch levels).
How long does it last on a full charge?
It depends on the selected heating level and weather temperature. It typically lasts 4-6 hours, meeting the warmth needs of daily commutes and outdoor activities.
How do I charge and maintain the hand warmer?
Charge with the included dual USB-C cable. For long-term storage, recharge every 3 months to maintain good battery performance and extend service life.
About US
Founded in 2020, LERAT integrates R&D, design, manufacturing, sales and service with a professional team that always aims to surpass itself. We specialize in innovative and practical cost effective home furnishings, providing users with the best quality products through strict product standard.
What is our mission?
LERAT ensures highly innovative products and excellent customer experience to make everyone's life warmer and comfortable!
Lerat Hand Warmers 2 Pack
Winter Warmth Gifts
Upgraded Heating Technology
Reliable Comfort
Long-lasting Warmth
Instant Warmth
Can be Carried Around
No More Cold Hands
Compact & Portable
Warm the Hearts of Families
Is this hand warmer safe to use?
Absolutely safe! The Lerat hand warmer is UL certified and equipped with a safety temperature control chip. It continuously monitors temperature to prevent overheating, so you can use it with complete confidence.
How do I use this hand warmer?
Press and hold the button for 3 seconds to turn it on/off. Short-press to switch heating levels, and double-press to check the battery status. The indicator light will flash when the battery is low—simple and easy to operate.
What if the product doesn’t work/won’t turn on?
Try 3 quick fixes: 1. Charge 30 mins if unused for a while; 2. Check USB-C cable connection or try a different port/charger; 3. Hold the button 3s to power on (short press = switch levels).
How long does it last on a full charge?
It depends on the selected heating level and weather temperature. It typically lasts 4-6 hours, meeting the warmth needs of daily commutes and outdoor activities.
How do I charge and maintain the hand warmer?
Charge with the included dual USB-C cable. For long-term storage, recharge every 3 months to maintain good battery performance and extend service life.
About US
Founded in 2020, LERAT integrates R&D, design, manufacturing, sales and service with a professional team that always aims to surpass itself. We specialize in innovative and practical cost effective home furnishings, providing users with the best quality products through strict product standard.
What is our mission?
LERAT ensures highly innovative products and excellent customer experience to make everyone's life warmer and comfortable!
Lerat Hand Warmers 2 Pack
Winter Warmth Gifts
Upgraded Heating Technology
Reliable Comfort
Long-lasting Warmth
Instant Warmth
Can be Carried Around
No More Cold Hands
Compact & Portable
Warm the Hearts of Families