Alpenheat Heated Fire-Sock with appcontrol Size 39-41

FIRE-SOCKS, the heating socks from ALPENHEAT, keep your feet cozy warm and are extremely comfortable to wear. The heating element is embedded in the sock under the toes and is powered by a small, compact battery that fits into the pocket at the top of the sock. With the 3 heat settings of the socks, you will stay warm for 5–10 hours. Controllable via an app. Special copper wire has been woven into the socks, which prevents the growth of bacteria, eliminates unpleasant odors, and extends the lifespan of the socks. The batteries and heating element have been optimized for use in cold temperatures. The batteries can be charged either with the USB cable or connected to the charger and household power supply. Specification: Warm, soft, breathable material Woven copper wire to reduce bacteria Materials: 28.3% acrylic, 20.2% merino wool, 19.4% polyester, 16.9% polyamide, 14% regenerated cellulose fiber, 1.2% elastane Carbon wire heating element under the toes ALPENHEAT controller with battery Push-button switch High-performance Li-ion batteries 3.7 V / 2.6 Ah / 9.6 Wh Battery: small, lightweight (59 g) and compact (32 x 70 x 20 mm) 3 heating levels that can be controlled via the app Operating time: 5-10 hours Battery compartment directly on the sock ALPENHEAT charger 100-240V 50/60Hz Charging time 6 hours USB Y-adapter cable 4.2V and 1200mAh load voltage