Features: Brand new and high quality Adopt quality environmental material, with quiet operation, rotatable angle 90 degrees from left and right. Convenient to charge, mini size saves space.the fan is equipped with a Clock and Battery Capacity Indicator. Build-in rechargeable 3600mAh lithium battery, battery can be used up to 5 hours operation (low speed). for PC, power bank and charger plug. USB desk fan is engineered to be ultra-quiet by the silent structure, while delivering high airflow. Quiet desk fan is better for your work or sleep without disturbing you. Quieter and more powerful.One button to easily control the wind level, low/medium/high speed. This portable fan is powered by USB and for PC/laptop, power bank, AC adapter, car charger, other USB-enabled power supply etc. Mini fan perfect for use in home, car, office, desktop. Clock settings: Press ON/OFF switch to turn on the clock display, press 2 clock setting keys simultaneously, the minute display flashes, press any key to adjust, wait for 3 seconds after adjustment, the hour display flashes, press any key to adjust, wait for 3 seconds, and the setting is complete. Specifications: product name:Desktop shaking clock fan product model :DF11-B Power consumption: 4W Product color: White,Green(optional) product weight :448g/534g Product material ：ABS+PP Charging output ：5V==1A product size: approx. 164x214x109mm Package Includes: 1Set x Desk Fan note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!