Dual-Function Therapy: Most models offer multiple heat settings (often 3 levels, ranging from roughly 45°C to 60°C) and several vibration massage modes (typically 3 to 4 settings) for customized comfort.
Cordless & Rechargeable: It features a built-in rechargeable battery (often between 1500mAh and 2200mAh) that is charged via a USB Type-C port, making it convenient for use at home, work, or while traveling.
Intelligent Digital Display: The LED screen on the front provides real-time information on temperature and mode settings.
Ergonomic Design: It includes an adjustable elastic strap to fit various body shapes and a soft, skin-friendly backing (frequently velvet or spandex) for comfortable contact against the skin