I have found some help on line videos. No hace ruido y en general, funcionó perfectamente. So I have to admit that I was struggling to find the necessity for a connected sprinkler system. The Runner 60 comes with 6 different sizes of tips and exhortations to try them all to find the "perfect fit" essential for good bass response. Never dropped or harmed, I fact it looks like the day it arrived. This is a great bench, we love it! Its a great noise-canceling headphone for travel (especially air travel where noise canceling is the most paramount) but the sound is very thin and sculpted compared to the Shures. The padding started tearing off around month 2, and month three the cloth strip between the toes ripped out without being stressed. SO SATURDAY WAS WARM AND I DECIDED TO GO FOR BRISK WALK- THE WAIST TRAINER IMMEDIATELY FORMED A SWEAT AFTER A FEW STRIDES. Definitely reccomend for losing a few extra inches.