Magnetic removable heating insole

Instructions before buying :

1. What kind of shoes are suitable for you? Special instructions: This insole is a built-in battery, thicker than ordinary insole [6mm thicker in the front of the insole, 13mm thick on the heel 13mm thick Please choose looser shoes. If you usually wear shoes, or the shoes that are usually wear tight, or the original shoes hot shoes can't take out, you may need to wear a larger size of shoes, not suitable for shoes that are too low and too tight instep.

2.  About the heating time and temperature [The heating area is the front middle palm, and the heating sheet is 4x16 cm] A single battery is 2200 mAh, high-end 3 to 4 hours about 45 degrees, mid-grade 5-6 hours about 40 degrees, low-end 7 to 8 hours about 35 degrees. Special instructions: The above data is tested at room temperature 15 degrees sealed, and the weather varies from place to place, and lithium batteries will also be subject to temperature. The data is for reference only. With warmer shoes, the effect is better.

3. How long is the warranty? If you are not satisfied, can you return the code? Support 7 days to return the battery without reason for three months! (You can put the insole with a try-on bag or plastic wrap before trying on, and then cut it after you are satisfied! It can't be returned after being dirty, worn, and affecting secondary sales.）