Features: 1. Small Desk Fan: Beautifully designed lightweight and portable fan. Mini size: 21x20cm for maximum comfort 2. One button to easily control the wind level choose the wind direction you want by 360 degree tilt rotation 3. Ultra-Quiet Fan - The USB desktop fan is designed to be ultra-quiet with a quiet construction while providing high airflow. Quiet desk fans are more suitable for your work or sleep without disturbing you. Quieter and more powerful 4. USB Powered Fan: This portable fan is powered by USB and is compatible with PC Power Banks Car Charger other USB-enabled power supplies etc. Perfect mini fan for home car office desk camping or travel 5. PORTABLE AND NO NOISE: This portable desk fan is lightweight and compact so you can take it anywhere. Low noise design provides you with quiet enjoyment. Perfect for use at home office desktop camping or traveling. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Battery voltage: 3.7V Power supply mode: USB data cable Working time: about 2-5 hours Voltage input: 5V1A Product material: ABS How to use: USB cable/Lithiums battery Power: 4.5W Air supply angle: 360 adjustable angle Size: 20*7*21cm Weight: 410g includes: 1x Portable Personal Fan "