Carefully follow the marked outer cutting lines on the underside using sharp household scissors, matching the exact length and shape of your existing footwear insoles.

Yes, the mobile app allows independent heat adjustments for both the left and right insole, providing tailored comfort to match your personal thermal needs.

Press and hold the integrated power button for two seconds to power on or off, then short press to easily cycle through the available temperature settings.

Yes, the water-resistant design safely tolerates light rain, dampness, and shallow puddles, though prolonged full submersion in water should be avoided for longevity.

Using the included fast-charging cable with a standard power adapter, the internal high-capacity batteries recharge fully and safely in approximately two to three hours.

Gently rinse the surface with a damp cloth or mild running water, then air dry completely away from direct heat before your next outdoor use.

No, the ultra-thin, curved ergonomic profile is engineered to slide comfortably into most standard shoes, boots, and sneakers without creating uncomfortable pressure points.

No, the mobile application connects directly to the insoles using local Bluetooth technology, allowing full temperature control anywhere without needing cellular data.