Strike Back Neighbor Upstairs Noise Machine, Noise Deadener/Sound Eliminator/Silencer/Muffler NOISE Reduce/decrease/cut Down ,Durable Design

When the noise upstairs exceeds 50 decibels, it can automatically counterattack. It can also be beat or vibrated separately, or it can work at the same time, And 9 levels of strength are adjustable, timing switch machine No noise at home, noise reminder The green color can beat and shock with