1.Magnetic attraction design - the twins hand warmers are attached together by strong magnets, yet they may be easily separated when necessary.

2.Quick Release of Heat. With a 20% increase in power density, MagTwins produces a massive heat in seconds.

3.Longer Lasting Warmth. One hand warmer is equipped with a 2500mAh rechargeable battery, which allows it to create a large heat output run duration of 6+ hours on low.

4.The handwarmer can hang over on the bag when travel outside.