1、Mini size and lightweight, convenient to carry for anywhere. 2、Wind speed adjustable: 2 level adjustment, easy to control. 3、Removable bottom, can be used as a handheld fan. 4、Suitable for home, office, outdoor, sleep etc. 5、Support various usb input: With the usb port, easy to connect to power bank, power adapter, computer usb interface. Features: 1. Mini size and lightweight, convenient to carry for anywhere.  2. Wind speed adjustable: 2 level adjustment, easy to control.  3. Removable bottom, can be used as a handheld fan.  4. Suitable for home, office, outdoor, sleep etc.  5. Support various usb input: With the usb port, easy to connect to power bank, power adapter, computer usb interface.  Specification: Condition:100% Brand New Material: ABS Rated Voltage:  DC 5V/1A Rated current:  800mA Battery Capacity: 3.7v/400mAh Charging Time: about 1h working current: gear one for 200mAh, gear two for 350mAh.  Power: 1w- 1.6w Color: Pink, Yellow, Green(optional) Size: approx. 7.8* 2.8* 13.2cm/ 3.1* 1.1* 5.2in Weight: Approx.99g     Package list:  1 * Mini Desktop Fan  1 * USB Cable 1* Hanging Rope