Brunton designed the Heatsync Zone Heated Folding Mat to be a versatile personal heater ideal for sleeping bags, early/late season camping, hunting, car seats, or anywhere immediate heat is required. It uses flexible heating elements that can be powered by many portable power solutions equipped with a USB port, and for additional comfort it is made of waterproof fabrics that let the heat out without letting moisture in. Brunton recommends using equipment with 5V, 2.1A USB ports and batteries from 4000 to 9000mAh capacities. You have your choice of low, medium and high settings to make sure you're comfortable no matter what the weather is. The Heat Sync Zone is ideally suited for sporting events, nature/bird watching, hunting, fishing, and camping.
- Low: 7 hr, 100°F (38°C)
- Medium: 4.3 hr, 113°F (45°C)
- High: 2.1 hr, 131°F (55°C)
- Low: 16 hr, 100°F (38°C)
- Medium: 9.8 hr, 113°F (45°C)
- High: 6.1 hr, 131°F (55°C)