LONG STANDBY AND LED SUCTION LEVEL DISPLAYNever worry about how to change the battery, blackhead cleaning tools have build-in rechargeable battery and USB port. With LED display, you can easily read the levels of the suction and change it timely.^ DEEP-CLEAN PORE EXTRACTOR WITH 4 REPLACEABLE PROBESThis blackhead vacuum with camera is equipped with 4 different suction heads for different facial skin conditions, so easier for you to adjust and remove when cleaning your blackheads, whiteheads, acne, pore, dirt, and dead skin cells. Meanwhile, you can choose to operate according to your face skin types such as Oily, Neutral, and Dry cleaning modes, free to choose as your needs.^ WARM TIPS OF USING VACUUM PORE CLEANERThe first time you use it ,charge it about 2 hours,then unplug the charge tho turn it on.It can't be used while charging,Before using this pore vacuum, please use the hot compress for 3-5 minutes to open your pore. Please dont let the face vacuum rest on one spot of your face for over 3s.Just need to slightly slide this machine up and down in one direction. After finished, please using cold towels to soothe your face skin.^