Features 1、Soft fabric, built‑in thermal insulation fiber heating material, comfortable and wear‑resistant, durable. 2、Composite fiber heating wire, dense heating wire, uniform heating temperature, high temperature, not easy to oxidize, burn out circuit, and long service life. 3、Can put it directly in your jackets, vests and other clothes for warmth and heating. 4、Full waterproof coating is used to isolate outside, and waterproof effect is better. 5、Light and convenient, and convenient to carry for outdoor camping or other activities in winter. Specification Condition: 100% Brand New Item Type: Electric Heating Pads Power Supply: 5V2A Power Supply Mode: USB Charging Material: Composite Fiber Adjustable Temperature: 45℃-65℃ Gear Setting: Red (High-End), Blue (Mid-Range), Green (Low-End) Single-chip Heating Film Size: Approx. 80 x 120mm/3.1 x 4.7in (Small) Approx. 80 x 180mm/3.1 x 7.1in (Large) Scope of Application: Vests, clothes, belts, waist protectors, shoes Features: Washable, lightly rubbed, insulated, no static electricity, resistant to pulling Package List 1 x Electric Heating Pad