Sophisticated engineering! Your Panther Vision Powerpaw 501 Rechargeable Hand Warmer is designed to keep your hands cozy in any weather, it offers three heat settings for personalized comfort. Stay eco-friendly with USB-C rechargeability and a slim, portable design that fits seamlessly into your adventure gear. With its waterproof and shockproof construction, the Powerpaw 501 ensures durable warmth wherever you decide to prowl next.