Aire acondicionado portátil para el cuello, ventilador de cuello 2 en 1, ideal para exteriores, oficina o viajes (azul oscuro, K019)

1. **Large Heatsink and NTC Temperature Control for 400% Faster Cooling:** This neck fan utilizes advanced NTC temperature control technology and a large semiconductor heatsink, cooling the body up to 4 times faster than traditional fans. The four-channel AR turbo system provides 360° surround airflow to the neck, back, and shoulders, significantly reducing body temperature within 3 seconds. 2. **Upward Airflow for Comprehensive Cooling:** This neck fan features a four-channel, dual-layer airflow design with air outlets at both the top and bottom. Our system generates a cyclone-like airflow, operating extremely quietly. The bladeless design prevents hair tangling, making it safer for children and users with long hair. 3. **6000mAh High-Capacity Battery and Two Smart Modes:** The built-in 6000mAh industrial-grade portable neck fan provides 3 to 10 hours of runtime (depending on the mode). It switches between a powerful cooling mode (3 fan speeds for rapid cooling) and a fan mode (3 fan speeds for gentle airflow), ideal for handling sudden high temperatures or extended outdoor activities. 4. Ultra-lightweight and portable, versatile: This fan weighs only 340.2 grams and features an ergonomic neck design for comfortable wear during workouts, commutes, or office work. It is ideal for hiking, fitness, travel, and office use.