Nothing’s worse than being in the cold with a dead phone battery. Now, with this cute power bank hand warmer, you can warm up frozen fingers in only 3 minutes and give your phone a charge simultaneously. This adorable macaron fits right in your purse and is ready for you when you need it most. Bring your phone back up to 100% and enjoy extra cozy hands. Plus, this cute power bank has a built-in mirror so you can look your best before every meeting. Large 10,000 mAh battery capacity can fully charge up multiple completely dead phones. Hand warmer heats up to 130F. Measures 3.46" x 3.46" x 1.5".