Woot offers Tokodos Hand Warmers Rechargeable, 2 Packs Split-Magnetic Electric Reusable Handwarmer, 10000mAh & 360° Heating MAX 15 Hrs Warmth & 3 Levels Temp Portable USB Power Bank for $19.99 (orig. $59.99) free shipping with Amazon Prime.

Product Description:
The product has the features of hand warmer and power bank function.Built-in multiple safety protection circuits such as over-current,over-voltage, over-temperature and short-circuit protection.