Fit & Design: Built-in heating panels strategically placed on both ears Touch-button control technology (3 settings) Unisex - One Size Fits Most Breathable fleece lined stretchy fleece Water-resistant fleece sheds rain and snow Technology: 4 LED power indicators display power banks battery life Battery Voltage: 5-Volt An advanced heat-trapping insulation layer Ultra-fine carbon fiber heating panels 5 ways to wear the balaclava Additional Details: Machine Washable - Gentle Cycle One ActionHeat 5V Heated Balaclava w/ heated ears One ActionHeat 5V Power Bank (3000mAh) One USB Charging Kit