OCOOPA 5200 mAh Electric Portable Pocket Hand Warmer/Power Bank

The perfect gift-a must-have for cold winters, especially for Renault arthritis patients who need hyperthermia Features: Exquisite and comfortable-made of high-tech aircraft-grade aluminum and ABS materials, thousands of polished exterior materials, smooth and warm, portable and compact, and can be slipped with one hand. Fast heating, 3 levels-press the switch to release warmth immediately. Quickly heat both sides in a few seconds. Three-level temperature can be selected from 80-100℉ / 90-100℉ / 100-122℉. Large battery capacity-5200 mAh rechargeable lithium battery with USB-C charging port to ensure long use time. It can also be used as a mobile power bank to charge your electronic devices at any time.