Upgraded Ergonomic Magnetic Hand Warmers: As lipstick siza, ultra thin ang light, easy to slip into pocket for camping, golf, Raynauds 👉Rechargeable Hand Warmers: 3s instant heat. 3 heating levels with 1 button. UL certified ensure safe. Skin-friendly design for greater comfort. 👉Handwarmers Rechargeable: 1. Press and hold the power button for more than 3 seconds to switch on/off. (Red light display) 2. Double Press to Check Battery Level.（Blue light display） 3. Short press on the on/off button to adjust the temperature by 3 levels. (Red light display) 👉Specifications： Input: 5V/2A Working hours: 4-6 hours each one *2 Charging time: 3 hours Product size: 3.4*1.2 in Product weight: 8.6 oz 👉Package Include： 2 x Rechargeable Hand Warmer 1 x Dual USB-C Charging Cable 1 x User Manual 2 xWrist Strap
