Mobile Warming Powersheer 3.7v Micro 3600mAh Battery & Cable 2-Pack

Mobile Warming uses only the highest quality Lithium-Ion batteries to ensure long-lasting power and battery life. Our batteries are designed to power your Mobile Warming product for hours ensuring you stay warm and comfortable. The 3.7volt Premium Bluetooth battery is exclusive to our Premium 2.0 Merino Socks and Pro Merino Socks, control sock temperature and monitor battery level right from your phone.