Men's Dark Gray Standard Heated Socks, Bluetooth, Size LG (10-14), 3.7V, Mobile Warming, Mfr#: MW19A11-17-15

The Mobile Warming Heated socks feature anti-static, antibacterial tri-blend construction (91% cotton, 8% nylon, 1% elastic) that resists odors, as well as moisture-wicking high-stretch fabric to pull sweat away from the skin. These Heated Socks use ultra slim Lithium-Ion batteries (included) that power ultra-fine heating elements designed to provide instant heat on demand. The integrated battery compartment keeps a slim profile to remain comfortable under your outerwear. Use the wireless controller (included) to select up to 3 heat settings. The heating system can provide temperatures ranging from 135°F on high to 98°F on low. On high, expect 4 hours of heat, and on low for up to 11 hours. Also includes 1 AC Charger. You can expect up to 11 hours of heat per charge.