Full Body Heating: The heated vest comes with 8 heating zones, including abdomen, waist, shoulders, back, and neck. Built-in carbon fiber heating elements deliver even heat distribution and quick warmth to your core areas Three-Level Temperature Control: Our heated vest for men provides three heat settingshigh 140 °F/60 °C, medium 122 °F/50 °C, and low 104 °F/40 °C. You can flexibly adjust the temperature with a simple button according to your needs Long-Lasting Warmth: Comes with a 7.4V 16000mAh portable power bank, the mens heated vest can heat quickly for a long time. It also functions as a charger for your phone or other electronic devices when outdoors Easy Care: The heating vest is machine washable, making cleaning effortless