Rechargeable Heated Insoles w/App

These heated insoles feature app control for adjusting temperature and checking battery power. They include a 5000mAh battery providing up to 14 hours of heating, with CE, FCC, and RoHS certifications. They have a removable battery design to prevent short circuits and allow battery replacement for extended use. The price drops from $89.99 to $42.99. Shipping is free for Prime members.