? One-key normally open mode, touch the marked position, the lid can stay open for a long time, touch again, the system will return to the induction mode again, which is convenient for you to sort out the garbage for a long time ? The bass of the barrel cover slowly drops to create a peaceful and comfortable life for you ? Three-level height adjustable distance induction, no need to bend waist, satisfy the whole family with different height operation ? Intelligent and sensitive response, no need to touch the barrel, it can automatically open and close ? Smart charging design, with a USB charging cable, can be charged directly, convenient and fast