open not in-ear wireless bluetooth headset ultra-long life battery air bone conduction ear-mounted sports mobile phone universal

in the activity [last 00:52], 89 pieces were left.

black-top version-ten thousand yuan sound quality + standby 1800 hours white-top version-ten thousand yuan sound quality + standby 1800 hours black-upgraded version-hd sound quality + standby 800 hours white-upgraded version-hd sound quality + standby 800 hours black-basic style [hd sound quality + standby for 30 hours]] white-basic style [hd sound quality + standby for 30 hours]] paired model [data cable * 1] look at qingyuan low-fitting [subject to the picture description] optimistic selection