【APP remote control】The heated socks have two types of control, you can APP remote control or control by rechargeable battery button. our heated socks for men rechargeable still retain the push button switch, because simple is still the most reliable. Compared with other fully APP-controlled socks, when the wireless connection is disturbed, or the APP download is unsuccessful, or the phone's power is exhausted, the heated socks will become waste products after the battery is exhausted.【 360°Annular Heating Area】SNOW DEER APP Heated Socks use upgraded far infrared fiber heating elements, covering the entire toe area. Warmer than ordinary battery heated socks on the market. It's also a great electric foot warmer for anyone working in cold conditions. Winter electric heating socks can stimulate blood circulation in the feet and keep our hands warmer in winter.【Up to 10 hours working time】These thermal socks are designs with 3 temperature levels,including low,middle and high heating modes,(Low104°-113°F/Middle122-131°F/High140-149°F)，Our battery supports fast charging and can be fully charged in 3.5 hours.These heated socks for men include two 2200 mAh 7.4V rechargeable Li-lion batteries, Depending on the temperature, it can be heated for about 3-10 hours, and it can be heated for up to 10h at low temperature.【Fast Heating in 30 Seconds】 The heated socks for men use the latest far-infrared heating elements to cover the entire toe, top and bottom of your foot, heating your feet in 30 seconds.Besides,It has a timing function(0-3 H,Others0-2 H).We recommend that you start with a high-end quick foot warmer, then switch to a low-end warmer.【Best Gift Choice】These APP heated socks are great choice for cold winter. Say goodby to cold toe. Great for hunting, skiing, fishing, hiking, walking dogs,snowboarding, motorcycle, riding and etc.besides，The heated socks have passed various safety certifications.Safe and reliable. Heated Socks for Men Women