OCOOPA UT3 PRO Hand Warmers Rechargeable 2 Pack, Magnetic Double-Sided Heating with Larger Surface, Long Lasting Warmth Up to 9 Hours, 4 Heat Levels, Max 136℉, Men Tech Gift for Hunting,Camping(Chic Black)

Warmth from Palm to Fingertip: Real double-sided heating hand warmer is here! Unlike traditional designs that heat from only one side, our exclusive dual-sided heating technology ensures all-around warmth; 2023 Recommended Gift by Ferrari

Extended Heat, Larger surface: With a larger 5000mAh x2 rechargeable battery capacity , up tp 9 hours of continuous heat and Heats 20% more area than normal hand warmers; This hand warmer doubles as a power bank, charging your phone over 3.5 times

3S Quick Heating: Upgraded with 4-level temperature adjustment; This electric hand warmer offering a wider temperature ranging from 38°C to 58°C(100-136°F), and equipped with a memory function to maximize your user experience

Built to Last: Made with advanced materials and officially certified batteries for absolute safety and enhanced durability; This hand warmer features a USB-C charging port and typically fully charges in 3.5 hours (per unit)

Easy to Use: Designed for a comfortable grip, our hand warmer features a velvety smooth surface and slim profile; Simply press one button to turn it on/off, click to switch heating levels, or double-click to check the battery level

What You Get: Premium gift packaging includes 1 hand warmer (split into two units), velvet bag, silicone lanyard, USB-C cable, user manual, 12-month warranty, and 24-hour customer service; Perfect winter gift for Thanksgiving, Christmas, New Year, birthdays, and Valentine's Day; Keeps hands warm all day at the office, in class, camping, hunting, or during any outdoor winter activity