Product information:
Number of motors: 1
Power supply: 5V-1A
Mode: single hole exhaust
Endurance: 1000OMAH can be used continuously for about 36 hours
Noise: mute
Power supply: USB interface [non-charging model], connect to a variety of power plugs [mobile phone charging head, power bank, car usb, etc.]. Low power consumption, 24 hours continuous use

Features: 

Small and atmospheric, easy to carry and widely used.

Packing list:
1 meter trachea, 1 air stone, 1 hanging buckle