Never suffer cold feet again—HOTRONIC heating elements for custom insoles put precise, adjustable warmth right where you need it. Powered by a high-performance Lithium-Ion battery, they offer three constant heat settings plus a Power Boost mode, controllable via the battery or the HOTRONIC Heat app

• Set Includes: 2 XLP 2C Bluetooth Batteries, charging cable, 2 heating elements, 2 Cambrelle footbed covers
• Battery Output: 6000 mAh
• The three constant heat power settings, and the fourth Power Boost setting, can be selected using via the Power button on the battery packs or very conveniently with the HOTRONIC Heat app via a Bluetooth-enabled smartphone.
  
• High-performance Lithium-Ion battery
• Cambrelle covers for easy integration with all types of insoles, whether preshaped or customized
• The HOTRONIC Heat app provides an overview of the current charge status and heating levels. The app is available free of charge from the App Store and Google Play Store