When only the best will do, the ActionHeat Pro Series Bluetooth Heated Wool Socks deliver unmatched warmth, comfort, and performance. Designed for those who demand premium heated gear, these advanced heated socks feature a full-foot heating system that warms the entire bottom of your foot for superior cold-weather protection.Powered by ultra-slim rechargeable Bluetooth batteries, the Pro Series Heated Socks combine powerful heat, extended runtime, and convenient app-based controls into one sleek package. The premium wool-blend construction helps regulate temperature, manage moisture, and provide all-day comfort whether you&';re working outdoors, hunting, skiing, riding, or facing extreme winter conditions.With hidden heating elements, discreet battery pockets, Ghost Mode technology, and industry-leading heating performance, the ActionHeat Pro Series Heated Wool Socks are built to keep your feet warm and comfortable in the harshest conditions.HOW TO USE: Power Up - Charge the provided ActionHeat batteries. Plug-In - Connect the batteries to the USB-C located in the pocket on the top of the sock. Turn On - Press and hold the touch-button control on the sock for 3 seconds. Press the button to cycle through the heat settings. Features & Benefits Heats the entire bottom of the foot for maximum warmth Premium wool-blend construction for warmth and moisture management Ultra-slim rechargeable batteries fit neatly into hidden battery pockets Bluetooth app control for convenient temperature adjustments Touch-button temperature control with battery status indicator Ghost Mode allows heat to stay on while turning off visible LED lights Three heat settings for customized comfort Reaches temperatures up to 150AdegF Provides up to 11.5 hours of heat per charge Hidden wires and heating system for enhanced comfort and durability Knee-high construction fits comfortably with boots and winter footwear Machine washable design Rechargeable battery-powered system Unisex sizing Estimated Heating Times High (Red): 150F - 4.5+ Hours Medium (White): 130F - 6+ Hours Low (Blue): 110F - Up to 11 Hours Material Contents32% Wool31% Nylon20% Acrylic12% Polyester3% Spandex2% RubberIncludesa (2) ActionHeat Pro Series Bluetooth Heated Wool Socksa (2) ActionHeat 2500mAh Rechargeable Bluetooth Batteriesa (1) Dual USB Charging CablePro Series AdvantageThe ActionHeat Pro Series represents the pinnacle of heated apparel technology, combining higher heat output, longer runtimes, premium materials, Bluetooth app control, and advanced features like Ghost Mode. Built for customers who refuse to let cold weather slow them down, Pro Series delivers the ultimate heated experience.