The two fans can be combined together, converted to be a traditional portable fan. Using double rotor design,
Usage time :
Low speed: 5.5 hours,
Mid speed : 3.5 hours,
High-speed: 2 hours.
The two fans can be combined together, converted to be a traditional portable fan. Using double rotor design,
Usage time :
Low speed: 5.5 hours,
Mid speed : 3.5 hours,
High-speed: 2 hours.