What's in the box:

NC-01 Portable Fan Neck Cooler Neck Hanging Fan Three-speed Adjustable USB Fan Lower Noise Strong Airflow for Outdoor Sports Handsfree Neckband Fan (White)

Features:
On-neck design, free your hands: Suitable for traveling in hot weather.
Three-speed wind speed: Using the principle of fluid dynamics, reducing the natural wind.
Built-in 2*1800mAh polymer-lithium-battery: 3-hours-of-charging can last 4-8 hours.
Adjustable size: Suitable for all kinds of necks.
Adjustable design, side steering 45 degrees: Enable to cool your face, neck and body.

Specifications:
Item type: Fan
Model: NC-01
Color: White, Black(Optional)
Voltage: 5V
Battery-capacity: 1800mAhx2
Interface: 5V2A USB
Item size:21*17*3cm
Package weight: 484g/17.78oz
Package size: 22.3*18.5*7cm/8.77*7.28*2.75inches

Packing List:
1 * Fan
1 * USB cable
1 * User Manual