Sound isolation excellent, very good sound quality and bass, I do not separate myself. Even in a noisy environment we just listen to music without the sound thoroughly by breaking the ears. It's been 4-5 months that I have and I have nothing to report in terms of reliability, quality loss. I never found myself running out of battery, I listen a lot of music and I do that all the charging about 2 weeks. Only downside: bluetooth, sometimes I sound micro cuts. However, simply place the phone in the left pocket (receiver side of the helmet) and no problems.
