USB Heated Rectangular Sleeping Bag 3-Level Temp Control Waterproof 190T Polyester Sleeping Bag for Backpacking Hiking Camping (Red &amp Black 82.7×33.5in)

- 1. 4-Zone USB Heating System: Built-in 4-piece heating pads target shoulders, chest, hips & feet; compatible with power banks/USB sources, keeping core areas warm in 14-50°F conditions. - 2. 3-Level Temperature Control: Adjustable heat settings (low/medium/high) let you customize warmth?ideal for cool nights or mild weather, suitable for year-round use. - 3. Waterproof 190T Polyester Shell: Durable 190T polyester outer layer resists moisture/dampness; soft inner lining (Chunya fabric) stays gentle against skin for long-term comfort. - 4. Secure Heat Retention Design: Smooth zipper with velcro + adjustable drawstring hood locks in warmth, preventing cold air from entering?enhancing insulation in low temps. - 5. Ultralight & Versatile: Only 3.3 lbs, easy to carry for backpacking/hiking; compact storage bag included?also suitable for home/office naps, car/RV travel.