No, the vest operates using a standard 5V/2A USB mobile power bank, which allows you to choose your preferred battery capacity for customized heating duration.

The carbon fiber heating elements begin radiating noticeable warmth within ten seconds, reaching your chosen operating temperature in about one minute after power-up.

Press and hold the chest control button to power on, then tap repeatedly to toggle between red high, white medium, and blue energy-saving modes.

With a standard 10,000mAh battery, the vest provides approximately six to eight hours on high, eight to ten on medium, and ten to twelve on low.

Yes. Simply remove your power bank, place the USB connector inside the designated pocket, and wash in a laundry bag using a gentle cycle.

The exterior features water-resistant and windproof high-density polyester that protects against light rain and snow while keeping internal heating components completely dry.

The twenty-one heating zones are strategically distributed across critical areas including the upper back, shoulders, neck collar, and lower abdominal core regions.

Yes, the vest features a minimalist, unisex regular-fit design suitable for men and women participating in sports, commuting, or outdoor cold-weather work.