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Terms & Conditions.
Includes USB cable. Easy to operate handwarmer, ergonomic design with built-in loop for strap (strap for handwarmers not included). 6-hour average warming time on a single charge. 1-hour auto power-off. 3-hour recharge time via USB or AC power adapter. CE, FCC approved, and RoHS compliant.
Low temperature mode: 102.2°F
High temperature mode: 109.4°F