Ocoopa HotPal PD 5000 mAh hand warmer with powerbank function, USB-C white-blue Ocoopa H3054PD 5000 mAh hand warmer with powerbank function, USB-C (white and blue). The Ocoopa H3054PD is perfect for cold days. It uses a temperature of 55°C max, and thanks to its ergonomic design it fits perfectly in the hand. It works for about 4-8 h, and it will take about 80 minutes to charge. What's more, buil