Specification:
*LED display and finger touch control.
*Super long stand-by time with lithium batteries.
*USB connect can do power charge anywhere.
*Anti back flow system prevents contamination.
*10 adjustable suction levels and double pumping styles. 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