Specifications:<br />1. This heated insoles can foot in cold winter.<br />2. Water resistant<br />3. Material: using the imported high quality Nano PET heated film，<br />the insoles are using the velvet，EVA environment protection layer，<br />cotton cloth and non-woven multi-layer composite.<br />4. Size:size 36~46 can be cut insoles (with size table on the surface of the insoles)<br />5. Model: SE326LB<br />6. Battery: 3.7V/2600mAh<br />7. Charging time: approx. 4 hours<br />8. Keep warm time: approx. 4-5 hours<br />9. Keep warm temperature: 45▲<br />10. Heat position: Medium and front shoe pads<br /><br />About charging Batteries:<br />When charging the battery， battery switch must be pulled to the location of NO. Although in<br />the OFF position， the battery will be a red light when charging， but this time can not charge.<br />Full of electricity should be the red light into the green light as a reference. After the battery is<br />fully charged， please off the battery to avoid power consumption.<br /><br />Note:<br />1.The insole 45▲C  is measured under conditions of the lab incubation at room temperature<br />of 15▲C . The insole using time deviation within 10% is belong to the normal phenomenon<br />(the using time is accociated with many factors， not depends on the single factor)<br />2. Please allow 1-3mm errors due to manual measurement.<br />3. Due to the difference between different monitors， the pictures may not reflect the actual color of the item.<br /><br />Package Included:<br />A pair insoles<br />A pair of ankle guard<br />2x Batteries<br />1x USB Cable<br />1x Charger<br />1x User manual