Three gear super speed MINI Li-ion battery Fan ,Battery and USB duplicate power supply Large air flow Fan for indoor and outdoor

Description

Gears:Three gear high speed Input voltage: DC5V Output voltage 4-6.5V Battery:Li-on battery 18650 (2200mah) Wind speed for 1 meter Distance:more than 3M/Sec Service time(Single battery):6hours in Gear3 ,3.5hours in Gear2 ,2hours in Gear1 Power supply mode:USB&Battery Size:14*11*4.5cm Weight:0.15kg without battery Package size :17*16*6cm Package weight:0.3kg