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SM-YS3720Electric Insoles for Shoes Boot Keep Warm winter camping hiking insoles

SM-YS3720Electric Insoles for Shoes Boot Keep Warm winter camping hiking insoles chargeing remote control insoles

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SM-YS3720Electric Insoles for Shoes Boot Keep Warm winter camping hiking insoles chargeing remote control insoles

Surface material: velvet insole battery capacity: 2000mAH insole battery voltage: 3.7V
Operating voltage range: 3.0 v-4.2 V
Charging cut-off voltage: 4.2V
Discharge cut-off voltage: 3.0v
Battery life: over 500 cycles
Charging method: constant current constant pressure (CC/CV)
: charging temperature 0 ℃ ~ 45 ℃
Input: AC/ 100-230v 40-60hz
Output: DC/4.2V 500mA*2
Temperature control mode:
High-grade (H) : 1. The boot after high temperature can reach 55 ℃ to 62 ℃, use time about 3-4 hours.
2. Intermediate (M) : after startup intermediate temperature up to 48 ℃ to 55 ℃, using time is about 4.5 to 5 hours.
3. Low (L) : boot after low temperature of 39-46.2 ℃, using time about 6-6.5 hours.
Optional color: black, red, blue