JISULIFE Portable Neck Fan, 100 Speed 40000RPM Cooling, Mini Personal Handheld Wearable Waist Fan, 16H 4500mAh Battery with LED Display,...

100-Speed Turbo Power with High-Efficiency Motor: Neck fan with 9-blade turbo fan and brushless motor blasts 8.5m/s winds (10cm distance) at 40,000 RPM max100 adjustable speeds from breezy to hurricane-grade cooling! High performance ensures rapid cooling, roller adjusts wind speed, balances strong power and portability, and provides an efficient heat dissipation experience integrated with wearable design Customizable Cooling & Long-Lasting Battery: Portable fan's 4500mAh battery lasts 3-16 hours (depending on speed). The sealed charging port keeps dust and moisture out, and fully charges in 3-4 hours. Track battery life in real time with the LED display, and easily charge with a USB adapter. With long battery life and fast charging, you can enjoy uninterrupted comfort even in hot weather Smart LED - Instant Adjustment: Personal fan boasts smart LED displays, real-time speed (1-100) and battery %. Short press to power on/off; double-tap for battery check. Rotate the roller up and down to adjust the air volume instantlyno fumbling! Auto-switches to speed display after 5s, between modes for gym, commute, travel Cooling Companion & All-Day Versatility: Mini fan features a semi-transparent, spray-painted shell (40×69×80mm) for modern style and ultra-portability, making it your go-to partner for travel, concerts, weddings, camping, and beach days. A must-have for summer trips/outdoor/cycling/fishing/sports /shows/offices/schools/ restaurants stay cool anywhere