Overview: Say goodbye to cold feet and enjoy winter outdoor activities with our battery-powered heated insoles. Each insole features a built-in 3000mAh battery, providing up to 4.5 hours of heat on high, 5 hours on medium, and 10 hours on low. Includes a dual-port USB charging cable for simultaneous charging of both insoles—fully charged in approximately 4 hours. A clearly marked trim line on the bottom allows easy customization for a precise fit. Ideal for outdoor activities including hiking, camping, hunting, and fishing. Features: Soft & Warm: Made with PU foam and advanced heating elements for even, comfortable warmth across the foot’s sole. 3 Heating Modes: Power on with a long press of the insole button. Switch between heat levels with short presses (insole) or via the controller (H/M/L buttons). Indicator lights show current mode: red (high), red + green (medium), green (low). Long-Lasting Heat: Built-in 3000mAh lithium polymer battery per insole delivers extended runtime—4.5 hours (high), 5 hours (medium), 10 hours (low). Fully recharges in ~4 hours using the included dual-port USB cable. Trim-to-Fit Design: Pre-marked trimming guide ensures a custom fit for most footwear. Suitable for outdoor use, work, and everyday wear. Thoughtful Gift Option: A practical, warm gift for family and friends—ideal for fathers, mothers, partners, siblings, colleagues, and outdoor enthusiasts. Care Instructions: Hand wash only. Do not submerge or wash the battery area. Only the front portion of the insole may be cleaned. Operation: To turn on: Long press the insole button until the indicator flashes red (standby mode). To select heat level: While flashing, short press the insole button—red (high), red + green (medium), green (low). Press again to return to standby. Long press to power off. Using the remote: While in standby (flashing red), hold H/M/L for ~3 seconds to activate mode selection, then press the desired button (H/M/L) to set temperature. Use ON/OFF to return to standby. Specifications: Product Type: Electric Heated Insoles Color: Black Material: PU Foam Battery: 1 x 3000mAh Lithium Polymer battery per insole Heating Levels: High: 55°C / 131°F; Medium: 50°C / 122°F; Low: 40°C / 104°F Charging Time: ~4 hours Runtime: High (100% power): 4.5 hours; Medium (75% power): 5 hours; Low (40% power): 10 hours Charging Input: 5V / 2A Charging Current: 800mA; Max Power: 11.55W Discharge Voltage: High: 4.35V / 660mAh; Medium/Low: 3.85V / 618mAh Operating Voltage: 3.85V / 4.35V Heating Pad Size: 10 x 6 cm (3.94 x 2.36 in) Load Resistance: 6Ω USB Cable Length: 50 cm (19.7 in) Fit Range: Small: US 4–7 (EU 35–40); Large: US 8.5–12 (EU 41–46) Options: Option A: Trim-to-fit insoles (2100mAh) + remote control Option B: Trim-to-fit insoles (3000mAh) + smart app temperature control (no remote) Package Includes: 1 pair heated insoles 1 USB charging cable 1 user manual