About this item

• Adjustable heat settings - The batteries in these socks feature three manually controllable heat levels accessible through a power button; An easy-to-use switch lets you choose between three different heat settings to tailor the warmth to your liking.
• HIGH PERFORMANCE - The S-Pack 1400 B Sock Batteries are compatible with all models of Therm-ic heated socks; They provide consistent heat throughout the day, ensuring that your feet stay warm for up to 16 hours no matter what you're doing
• BLUETOOTH HEAT CONTROL - These sock batteries are fitted with Bluetooth technology which allows you to control all 10 heat settings via your smartphone, using the Therm-ic Heat Control Mobile App; Check & adjust the heat setting for your socks in real time
• EASY TO USE - These batteries for heated socks are easy to install and use; They are thin, compact and lightweight which makes them easy to carry when you're going on a winter hike; Includes a USB charger; Wall charger NOT included
• BATTERIES FOR HEATED SOCKS - The S-Pack 1400 B batteries are designed to provide warmth and comfort during cold weather allowing you to stay cozy and comfortable even in the harshest of climates; Great for all who love spending time outdoors during winter