Description: COMFORTABLE & LOW NOISE DESIGN- The neckband fan is made of soft and skin-friendly silicone material provides comfortable neck protection. Ultra-light version of the neck fan low noise and portable, can be hung around the neck, with cool to go anywhere you want to go. 3 MODES ADJUSTABLE & LONG WORKING TIME- Low/medium/high speed level. Adjust appropriate fan speed by pressing the power button. Built-in two 1800mAh lithium polymer batteries, Use USB to charge for 1.8 hours can last for 4-8 hours. PERFECT GIFT- This lightweight and portable fan has a stylish shape design that can be used in hot work environments, gyms, walking, barbecue, mountain climbing, hiking, commuting and any outdoor activities. Brand Name: HAMNIFY Model Number: HM18FJ456DEF Power mode: USB noise: 46-70db Built in battery capacity: 1200 mAh - 2000 mAh Built in battery or not: Built in battery Fan blade diameter: Pink, white and green Motor type: Brushless motor Battery life: 3-6 hours Whether charging is supported: In the tank Wind speed gear: 3rd gear Product features: Hang your neck without binding your hair Fan classification: Neck fan