Sanfant Hand Warmers Rechargeable 2 Pack

3 Heat Levels】Sanfant hand warmer rechargeable features 3 heating levels: low (35-42℃), medium (42-48℃), and high (48-55℃). It heats up instantly within 2 seconds after turning on 【8.5 to 20 Hours of Use】The upgraded 3000mAh*2 rechargeable batteries provides 8.5 to 20 hours of warmth without worrying about running out of power. This hand warmer charges with USB-C, the blue indicator will flash from low to high while charging, and stay on once it’s fully charged 【Combinable 2 Halves Designe】The 2 pieces of reusable hand warmers is perfect for slipping into your gloves, it can also be combined to warm up your pocket faster 【Simple One-Button Switch】 All operations can be done with one button. Press and hold for 2 seconds to turn it on or off, tap once to switch heat levels, and double-click to check the battery level 【The Perfect Winter Gift】 A hand warmer makes the ideal winter present for friends, family, or other special someone, as a warm helper for skiing, skating, commuting and school time