Unused item, only opened for operational check. 【360° All-Around Heating & Warm Feet】The 2025 new electric heated socks feature far-infrared carbon fiber heating yarn wired not only on the soles of the feet but also to the toes. When connected to the battery and the switch is turned on, the heated socks will warm up. This product adopts a ring-shaped heating wire, and the thinnest heating wire is hidden and sewn inside the socks, wrapping the entire foot firmly 360°. Compared to conventional heating sheets, there is no discomfort such as a foreign object sensation, achieving more effective heating performance, and keeping your feet warm in the cold season. Suitable for all winter sports such as skiing, cycling, camping, travel, hiking, fishing, and mountain climbing. 【Stepless Temperature Adjustment & Timer Function via App】All functions of these heated socks are controlled by an app. Connect to the battery, turn on Bluetooth, connect to the app downloaded on your smartphone, and turn on the switch to freely adjust the temperature from 40 to 70°C, set a 5-stage timer, and enable rapid heating, allowing you to feel the heating temperature within 2 seconds of turning on the quick-warm switch. You can spend comfortably anytime, anywhere, from indoor use to winter sports. Note: When not in use, unplug the cable from the battery. 【USB-C Rechargeable & 12,000mAh Battery & Ultra-Thin Lightweight Design】The heated socks come with two small batteries. With a small and lightweight design, they fit the calves and can be used comfortably without any discomfort. The battery capacity is a large 6000mAh, allowing for continuous use for up to approximately 9 hours. The warmth lasts a long time, suitable for various cold scenes such as outdoor work in winter, fishing, and skiing. 【Package】Heated socks body * 1 pair, 6000mAh dedicated battery * 2, 2-branch cable * 1, laundry net * 1, Japanese instruction manual * 1. 【Thin New Design & Excellent Breathability & Washable】Made of 100% high-quality cotton, the design has been renewed based on the issues of conventional products. The functionality of heated socks and a design that is easy to wear daily have been fused in the latest way. While maintaining heating performance, the conventional issues of sock thickness and discomfort in wearing have been resolved. The fabric is soft to the touch, safe for those with sensitive skin. It is also designed to prevent pilling. It also excels in moisture absorption, breathability, quick-drying properties, and elasticity, providing a comfortable wearing experience all day long.