Ausein Brand Oscillating USB Desk Fan works as a perfect addition to any desktop, nightstand, or horizontal surface. Measuring just 5.67*3.15*7.4 inch / 145*80*188mm, this ultra compact USB desk fan delivers a refreshing stream of air to maintain your preferred temperature, while producing less than 30dB when operating, perfect for at home or the office. It\'s super-easy to use, with push button to confirm fixed or 60-degree oscillation airflow and a rotary dial to decide the wind speed. With two 2200mAh rechargeable batteries, you can recharge the personal fans either in a standard socket ( adapter not included ) or a USB port (using the included micro USB cable) , easily get up to 40 hours of refreshing air on a single charge from this small but powerful desk fan, which definitely helps you beat the heat when the mercury rises.


Specification

Working time: 6-40 hours (Depending on the wind speed)
Battery capacity: 4400mAh (2*2200mAh)
Battery type: Flat top lithium ion 18650 - 3.7V
Wind speed: Max 3.0m/s ; Min 1.1m/s
Output power: 3.5W
Input voltage: DC 5V
Input current: 1.5A
Output voltage: 5V-12V
Max noise: lower than 30dB
Dimension: 5.67*3.15*7.4 inch / 145*80*188mm
Weight: 0.84lb/379g(include batteries)
Charging cable length: 2.62 ft/ 80cm


Charging indicator 

The red indicator light will flash while charging, and will stay on when fully charged.


Package contents

1* oscillating desk fan
2* 2200mAh 18650 flat top lithium ion batteries
1* USB charging cable
1* User manual