Olmaster CF-1691 USB cooling fan is not only for devices but also for user's cooling. Adjustable stand for all size of devices. Support hot swappable. Power by USB cable. It is the USB vertical and horizontal cooling fan with bracket.

[Compact and Portable]
The USB cooling fan with compact size, it is portable for you to use. With adjustable stand for all size of devices. Vertical or horizontal cooling for notebook, tablet, smart phone and user.
[Cross Flow Fan]
Olmaster CF-1691 USB cooling fan is designed with a cross-flow fan, make sure the airflow is much ber than a normal PC fan. Fan speed control with LED light.
[Adjustable Stand Design]
Olmaster CF-1691 USB cooling fan speed control(low / medium / high, three modes adjustment). Adjustable stand for all size of devices. Support hot swappable. Power by USB cable. 
[Horizontal Axis Design]
Olmaster CF-1691 USB cooling fan is the USB vertical and horizontal cooling fan with bracket, which is not only for devices but also for user's cooling. 

Specifications:
Brand Name: Olmaster
Model Number: CF-1691
Material: Plastic
Fan Rotating Speed: 2100-2900
Fan RPM: 2100-2900RPM
Rated Voltage: 5V
Noise Level: 28-34dBA
Application: Compatible with all devices and users
Color: Black
Main Item Size: 28.6 * 6.5 * 6.5cm / 11.26 * 2.56 * 2.56in
Main Item Weight: 453.2g / 15.98oz
Package Size: 32 * 8.6 * 8.6cm / 12.60 * 3.38 * 3.38in
Package Weight: 556.3g / 19.61oz

Package List:
1 * USB Cooling Fan
1 * USB Cable
1 * User Manual