1pc Knee Vibrating Massage Knee Pad, Leg Massage Belt with Heating, 3 Temperatures, 3 Vibrating Massage Intensities, USB Plug-in Use, Can Be Set Timely, Gift for Parents, Christmas Gift

Please regulate the use！！！ Power supply not included can not store electricity Mobile or outdoor use requires you to provide your own mobile power, power outages cann't generate heat! Please use 5V 2A voltage, prohibit the use of high-power adapters,will burn the product! Use of 5V 1A voltage only produces low range temperatures! Please do not turn on the current in the case of non-use to avoid empty firing and damage to the product!