Specification:
* LED display and finger touch control.
* Super long stand-by time with lithium batteries.
* USB connect can do power charge anywhere.
* Anti backflow system prevents contamination.
* 10 adjustable suction levels.
* TPU air pumping pole, never go yellow.
* Special night lights design, easy to use in night.
* 100-240V/5V,,suitable for adapter or chargeable battery