As stated in the blurb, they dont leak sound if used at a reasonable volume. I have daith piercings and struggle to keep many earbuds in, but these work great. So I attempted to straighten it and the top arm promptly snapped off. Es muy corto Trash. Ive had this speaker for over six months now. Happy I bought it, but the cost was too high. The locking caps were not a perfect fit, but they work well for what is needed. My only issue is that theyre a smidgen wide for the shelf of my cabinet, but hey! So if youre more aiming for decoration than utilisation, then youve hit the jackpot.