Experience next-level warmth and comfort with the ActionHeat Pro Series+ Rechargeable Heated Insoles. Designed to keep your feet warm in the coldest conditions, these advanced heated insoles feature ultra-fine heating panels strategically placed under the toes for consistent, all-day warmth during outdoor work, winter sports, hiking, hunting, commuting, and sporting events.The ActionHeat Pro Series+ collection combines premium comfort with smart heating technology. Easily control heat settings using the included wireless remote or pair directly with the ActionHeat Bluetooth App for advanced wireless heat management and customization.Built with ultra-thin rechargeable batteries integrated directly into the insoles, the lightweight design fits comfortably inside most shoes and boots without added bulk.HOW TO USE: Charge Up - Fully charge insoles with the provided charger cable (the battery is built into the insole) Insert - Place insoles in shoes or boots Turn On - Choose desired heat setting by pressing "I" "II" or "III" on the controller or directly on the back of the insoles. Features: Bluetooth compatible with the ActionHeat App (iOS & Android) Heats up to 140F and lasts up to 8+ hours Easy-to-use wireless remote control with 3 heat settings Built-in 3.7V rechargeable batteries Ultra-thin and lightweight design for maximum comfort Fits in all types of footwear, shoes, and boots Sizes Available: S/M, L/XL, trim-to-fit Material Contents: Fabric: breathable fleece-lined soft shell Trim-to-fit design Estimated Heating Times: High (III): 140F - 3+ Hours Medium (II): 120F - 5+ Hours Low (I): 100F - 8+ Hours ActionHeat Insole Sizing: Cut-to-fit adjustable sizing with an easy guide. S/M: Men&';s 4-9, Women&';s 5.5-10 L/XL: Men&';s 9.5+, Women&';s 10.5+ Includes: (2) ActionHeat Pro Series+ Rechargeable Heated Insoles (1) Wireless Remote Control (1) Dual micro-USB charging cable Built for all-day comfort and dependable warmth, the ActionHeat Pro Series+ Heated Insoles deliver premium heating performance and smart Bluetooth technology to keep your feet warm wherever cold weather takes you.