Description: Low Power Consumption, Ultra-quiet. TPE Environmental Protection Material. The Rated Voltage: 5V; The Rated Power: 1W. Size: (approx.)140mm*80mm*15mm/ 5.5*3.15*0.59inch. The Micro 5Pin can Insert into Android Smart Phone with OTG Function. Size Chart: Color: Black/ White/ Blue/ Green (Random One, Please Understand) Package Includes: 1 x USB /Micro Two Leaves Mini F Note: 1. The fan can not work if your mobile phone battery is under 30%. 2. The port of fan is standard micro usb port which length is 5.64mm, please confirm the charging port of your mobile phone is standard micro usb before buying, thanks