Ordinary socks may be a good choice, but do they can make you feel warm?Floor heating may be a better way, but will it consume electricity?The heating appliance may be a must-have item in winter, but is it easy to carry when outdoors for sports?Electric heated men's and women's socks can provide long-lasting warmth when exercising outdoors, are lightweight and fashionable, do not affect movement, can promote blood circulation, and keep away from arthritis and joint stiffness.About APP Control:-Download the application "Warm Uping" from Google Play and Apple App Store, and turn on the Bluetooth connection, the heated socks will connect with your mobile phone automatically.-Through operating on application, you can adjust the temperature, switch quick heating, and set the time to power off.Solving steps for failed to control the temperature of APP:A) Check if the battery is fully charged.B) Check if the socks are connected to the batteries Successfully, or Long press to switch on & off normally, or if the red gear light can be switched.C) Elimination method, to test if there is a problem with socks or batteries, pls exchange each sock for reconnection.D) Check if Bluetooth and location are open.E) Check if there are only two socks in the scope of 10 meters and if the batteries are connected. If there are more than one pair of socks, pls connect them one by one.F) Check if the power is on if there is a wrong operation of the APP, or if selected about the sock button.G) If tried several times but still failed to connect to the APP, pls exit the APP, and clear the APP and mobile phone cache. Then binding again.Package:1 x Pair of Electric Heated Socks2 x 5000mAh Batteries1 x Dual Charge Cable1 x Laundry Bag1 x User Manual