The sound quality that this microphone gives is astonishing. There is no room for rotation. Also my phone would vibrate off my night stand onto the floor which would then bend the charger tip and break the cord. En resumen estoy muy contento con ellos y espero me duren mucho Die Leistungsabgabe ist bei mir zumindest konstanter. I used that up in about 10 seconds and had to go to the rv parts store to buy a 2 gallon jug to finish. It comes in a carrying case and you can actually hold up the cover and get it back into the carrying case. I was worried that the non slip backing would be an issue, but it wasn?t at all! For someone who has high arches like myself, thats the downside. All I do is put on shea butter after and I?m in heaven.