Battery life varies by temperature setting: up to 6 hours at low heat, 4-5 hours at medium, and 3-4 hours at high. The 3000mAh capacity ensures all-day warmth for most activities.

Yes, the ultra-thin 0.19-inch design fits comfortably in boots, sneakers, work shoes, and more. The cuttable feature allows customization for perfect fit in any footwear without adding bulk.

Simply turn on Bluetooth, download the companion app, and pair your insoles. The intuitive interface guides you through setup in minutes, providing instant access to all temperature and timer controls.

Absolutely. FireFootie Heated Insoles feature waterproof construction that handles rain and puddles. Brief water exposure won't affect performance, though avoid prolonged soaking during cleaning for longevity.

Yes, the APP allows independent temperature control for each foot. This feature accommodates individual comfort preferences and ensures optimal warmth distribution, especially helpful if one foot gets colder.

Use our size chart matching EU, US sizes, and insole length in centimeters. Measure your current insole or shoe interior, then trim along cutting lines for precise fit.

Button control offers quick temperature cycling without your phone. APP control provides advanced features like real-time temperature display, timer programming, device naming, and independent left/right adjustment for ultimate customization.

At just 0.19 inches thick, FireFootie Heated Insoles are comparable to standard cushioned inserts. The slim profile ensures comfort without cramping toes or requiring larger shoe sizes.