A smarter hand warmer and a portable phone charger in one device. The Warm N’ Charge allows you to pick your desired temperature level and keep your digits warm enough so that you can nail the Instagram caption on your fully charged phone. It comes with an Android-compatible USB cord but will work just fine with your iPhone cord as well. Regarding the hand warming, it works best when you keep ‘er in your pocket and when the times comes, pull ‘er out, grip ‘er tight for a short while and you’ll be set to jet.