Product Specifications 
【Description】Dr. Warm Bluetooth Control Insoles
【Function】Keep warm 4-8 hours; Rechargeable
【Model】S2
【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; 36-38/39-41/42-44/45-47
【Logo】Dr. Warm or custom logo
【Certificate】CE, RoHS
Product Feature ◪1. Wireless smart Bluetooth control;
◪2. Three temperature settings: High/Medium/Low setting;
◪3. Heat up to temperature: 45°C/50°C/55°C;
◪4. Ultrathin designed, 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 
Download the Apple/Android app on the phone.
Insoles are controlled by app
Charging: Connect the charger to the insoles with the USB cable and plug in. (Charging time: 3-4 hours).
Can be charged by normal charger, car charger and portable charger
Press the on-off button on the insoles then turn on the Bluetooth to connect to the insoles.
Heel cushion design, shock absorption when walking and running
Arch support design, siut your foot shape
Insoles and all accessories
Temperature control
Product Applications 
Packing List 
1 pair of Dr. Warm Insoles
1 Dual Micro-USB Charger
1 Manual
1 Packing Box
| SIZE | EUR | US MAN | US WOMAN | LENGTH mm |
| S | 36 | 4 | 5.5 | 231.1 |
| 37 | 5 | 6.5 | 237.1 | |
| 38 | 5.5 | 7 | 244.4 | |
| M | 39 | 6.5 | 8 | 251.1 |
| 40 | 7 | 8.5 | 257.7 | |
| 41 | 8 | 9 | 264.4 | |
| L | 42 | 8.5 | 10 | 271.1 |
| 43 | 9.5 | 11 | 277.8 | |
| 44 | 10 | 284.4 | ||
| XL | 45 | 10.5 | 291.5 | |
| 46 | 11 | 298.2 | ||
| 47 | 12 | 304.9 |
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