1.Design for Micro-USB and IOS Devices , rated voltage 5v, rated power 1w 

2.Tpe environmental protection material. Even though the fan blades are made of soft plastic, please be careful when it is working Quiet operating, small size, portable efficient helper for travel, gym, office 

3.Lightweight hand accessory fan can run up to 5 hours on full battery - low power consumption 

4.Smooth and ultra quiet with motor speed of 16000 RPM for super strong wind