Note: Battery not included KEEP YOUR BODY WARM – The heating thermal underwear uses graphene heating fiber, which generates heat quickly, is elastic and has a long service life. The inner fleece lining is close-fitting and soft, offering three-layer heat preservation and circulating heat storage. SAFETY PERFORMANCE – The heating underwear is equipped with heating pads. High-quality carbon fiber heating pads provide fast heating to warm the core of the body, helping you stay warm in cold winter conditions. TEMPERATURE CONTROL – The heating underwear features an intelligent controller with a 5-speed temperature control button for simple operation. Adjust the heating temperature according to the environment with ease. BREATHABLE AND COMFORTABLE – Made from cotton and spandex, the heated thermal underwear offers a soft, breathable, skin-friendly, and lightweight fabric that feels comfortable and smooth. It fits snugly to the body and allows unrestricted movement during winter activities. INDOOR AND OUTDOOR USE – Heated pants are suitable for home wear and ideal for winter outdoor sports and activities such as hiking, jogging, cycling, motorcycling, fishing, skiing, and outdoor work. A great gift choice for elderly individuals, loved ones, or friends. Suitable for holiday gifting occasions.