Can anyone comment on the quality of the s9hd when running? Do they stay in the ears? Does the back part flop up and down? Are there drop-outs? Thanks!
Can anyone comment on the quality of the s9hd when running? Do they stay in the ears? Does the back part flop up and down? Are there drop-outs? Thanks!
also looking for this info...
Thanks for the info EatMyApple!!