- CHAMOKA Neck Hanging Fan Neck Cooler & Heater 【Cooling and Heating】 With Cooling Plate, Instant Cooling/Heating, Blade-less, 6000mAh Large Capacity, Long Continuous Use, 360 Surround Wind, 2-Level Airflow, 3-Level Cooling, 3-Level Heating, Type-C Rechargeable, Silent Design, Portable, Hands-Free, Heatstroke/Cold Weather Prevention, Suitable for Hot Weather/Travel/Outdoor/Sports/Commuting/Home, Gift (Black) Color: Black Thank you for viewing. Operation has been confirmed. This is a used item, so we hope that those who understand this will purchase it. No instruction manual included.