2 In 1 Magnetic Hand Warmers: With strong magnetic connection, the rechargeable hand warmers 2 pack can be used as a double-sided hand wamer or 2 separate hand warmers. The hand warmers warm both your hands. Share warmth with your family or friends! Digital Display & 3 Heating Levels: The electric hand warmers come with LED digital display, which indicates the battery and heating status. 3 heating modes meet all your needs: 104°F/122°F/140°F, you can easily click to switch the mode and enjoy. Compact & Portable: The portable hand warmer each size 3.3*1.7*0.69inch and weighs only 0.14lb, easy to put into your pockets or even gloves. Stay warm when you are walking, studying, working, hunting, camping, fishing and other outdoor & indoor activities. Never afraid of cold in winter! Long-Lasting & Fast Heating: Reusable hand warmer each comes with 2000mAh battery, that is 4000mAh in total. 3s fast heating, the USB hand warmers produce heat instantly and can work up to 8 hours at 1st level. W