Usb Fan Neck Portable Rechargeable Dual Effect Neck Protector Hand Free Cooler Features: [POWERFUL & QUIET]Portable fan is with high-quality brushless motor provide huge blowing area and higher speeds under extremely low noise. Even if it's in a quiet reading room will not disturb you. [DUAL CORE COOL-ING TOOL]Wearable fan, feel cool anytime, anywhere. [LONG-LASTING BATTERY]Our Portable Fan has a built-in 1800mAh rechargeable battery. Equipped with a USB charging cable, you can easily charge your mini USB fan. [VERSATILITY FAN]Rechargeable personal fans are not limited to handheld use. It can also as a neck-hanging fan, which can cool you down when your hands are busy. [Elegant & Cool]Relax anytime, anywhere, the stylish style makes you look cool. Hanging on the neck, suitable for traveling in hot weather, save you from the embarrassment of dripping sweat suddenly in public in many places, it is your good assistant in summer. Product Description: Quantity: 1pc Material: ABS Product size: 19.8x19.9cm/7.8x7.8in Packing size: 20x20x6.4cm /7.9x7.9x2.5in Net weight:168g Gross weight: 300g Working voltage: 5 (V) Wattery capacity: 1800mAh Usage time ：6-9H Applicable scene: Home, Outdoor Power supply mode: USB Package Content: 1 x Fan 1 x USB Cable Portable and lightweight design for easy travel Long standby time for refreshing coolness on hot days Ultra-quiet operation with noise levels below 85 decibels Wearable fan allows hands-free cooling anytime, anywhere Built-in 1800mAh rechargeable battery for extended use