Water bottle style warm shoes (pads): ◆ principle is: the electric hot water bottle on a special cushion insole shoes, so as to achieve thermal effect. ◆ advantages are: long holding time. General charging ten minutes, can last 3-4 hours ◆ warm disadvantage is: The biggest drawback is too bulky, generally ranging from a couple of pounds of heavy water bottle hand insoles, and feet are generally close together, so you can not use when walking warm insoles, you must replace the other shoes. Second heat will gradually decline, every few hours should be reheated once. Integrated insole can be seen, the most practical of the most extensive warm shoes (pads), for two reasons: 1, the product technology is mature, relatively affordable; 2, good thermal effects, easy to use; Certification: CE ROHS surface temperature : 38-45 degrees Thickness: 14MM main purposes: warm care units Weight: 0.05 kg / month increased pad heating insole insole _ _ enjoy the warmth of electrons from Dongguan to enjoy the warmth of Electronic Technology Limited. Dongguan City to enjoy the warmth of Electronic Science and Technology Co., Ltd. (www.warming-day.com) strong, credible, in Dongguan, Guangdong garment processing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead to enjoy the warmth of electronic and you work into the brilliant, for a better future!