DUKUSEEK Electric Heated Socks with 7.4V 2800mAh Lipo Battery for Camping Skiing

The heating socks is suitable for chronically cold feet and camping and hiking and climbing ice fishing skiing.Comparing with 3.7v or 5V battery heated socks, the DUKUSEEK 7.4V heating socks can offer quicker heat up and longer working time. With the 3 different heating levels - high, medium, low - you can perfectly balance between the needed heat and expected.Features:1. Comfortable Fabric: Made with premium spandex fabric cotton, breathable, quick drying, heat Insulated fabric.2. Premium Ultra-thin Alloy Heating Wire, you can even not feel the heating element.3. 3 Temperature Settings: Choose the most comfortable temperature for your demand.4. Rechargeable: 2 batteries can be charged at the same time, saving charging time.5. Heating element covers the whole tiptoe of the feet, which turns out to be where people need it most.6.Long work time:8-9 hours for low temperature(104-113℉) with 1 blue light on,6-7 hours for low temperature(113-122℉) with 2 blue lights on,4-5 hours for low temp