The 3.7-volt Premium Bluetooth® battery is exclusive to our Premium BT heated sock and can be controlled with the MW Connect® App.   To learn more about which garments are compatible with what batteries, check out our Mobile Warming® Technology Battery Compatibility Chart.

Specifications:

• ONE BATTERY INCLUDED
• Rating: 3.7volts, 2200mAh
• Input: DC Jack 4.7volt@1A / Micro USB 5V@0.8A
• Charge Time: 5-6 hours
• Size Inches: 2.8in x 1.8in x .5in
• Size Metric: 73mm x 47mm x 13.5mm

Garments Compatible:

• Premium BT Socks
• Premium Pink BT Socks