Come and see our amazing products. This mini Fan is made of TPE and ABS material, comply with international standard CE,ROHS,FCC. It is powered by 3.7V 300mAh lithium-ion battery or USB cable interface. It has 2 different speed mode: Mode 1: small wind, Mode 2: strong wind. Your Logo can be customized. Pls confirm further with us if any query about packing info, inventory status and time schedule.