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Product Specifications 
【Description】Dr. Warm Remote Control Insoles
【Function】Keep warm 3-8 hours; Rechargeable
【Model】R4
【Material】EVA bottom with cotton
【Battery Voltage】3.7V
【Battery Capacity】1500mAh
【Charging Voltage Peak】4.2+/-0.05V
【Minimum Discharging Voltage】2.7V
【Charging Mode】CC/CV
【Battery's Maximum Charging Current】1500mA (0°C~45°C)
【Battery's Maximum Discharging Current】1500mA (-20°C~60°C)
【Battery Internal Resistance】< 10Ω
【Size】4 sizes: S/M/L/XL; 36-38/39-41/42-43/44-46
【Logo】Dr. Warm or custom logo
【Certificate】CE, RoHS
Product Feature ◪1. Wireless smart remote control;
◪2. Three temperature settings: High/Medium/Low setting;
◪3. Heat up to temperature: 45°C/50°C/55°C;
◪4. Ultrathin design suit to different footwear;
◪5. Ergonomic design: Give feet warm and comfortable feeling;
◪6. Stable heating and easy to use;
◪7. Patented and passed CE and RoHS certifications;
Product Instructions 
Heating up to 55℃/140℉
Heat supply lasts for 3-7hours
Improves blood circulation
Ultra slim 0.5cm-0.7cm, fit to most shoes
Made of EVA material, environmentally friendly and comfortable
With Prined pattern
Heel cushion design;
Shock absorption when walking and runing;
Arch support design, suit your foot shape;
FAQ
1、Q:If the rubber cover is waterproof? Can it be made waterproof?
A:The rubber cover is not waterproof, only the rubber cover and the USB interface are tightly connected to prevent water from entering the USB port.
2、Q:Why sometimes unable to charge?
A:The insole has been placed for too long without charging. It needs to be plugged and pulled several times. It needs to charge at least one time every two months.
3、Q:The temperature corresponding to the different colors of the light?
A:Ⅰ option is blue light, Ⅱoption is purple light, Ⅲoption is red light
4、Usage attention
A:Can not be stacked together to charge or use
5、Temperature
45℃，50℃，55℃
Product Applications 
Packing List 
1 Pair of Dr. Warm Insoles
1 Dual Micro-USB Charger
1 Wireless Remote Controller
1 Manual
1 Packing Box
| SIZE | EUR | US MAN | US WOMAN | LENGTH mm |
| S | 35 | 4 | 5.5 | 231.1 |
| 35 | 5 | 6.5 | 237.1 | |
| 37 | 5.5 | 7 | 244.4 | |
| M | 38 | 6.5 | 8 | 251.1 |
| 39 | 7 | 8.5 | 257.7 | |
| 40 | 8 | 9 | 264.4 | |
| L | 41 | 8.5 | 10 | 271.1 |
| 42 | 9.5 | 11 | 277.8 | |
| 43 | 10 | 284.4 | ||
| XL | 44 | 10.5 | 291.5 | |
| 45 | 11 | 298.2 | ||
| 46 | 12 | 304.9 |
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