These wireless headphones, F1 by Vidonn, are new, gray, smooth music and clear calls, water resistant; resists rain and sweat, bluetooth V5.0, bone conduction technology which allows the ears to be open to the surrounding sound, Titanium alloy back bone; lighter and more flexible, 6 hrs. continuous play, 2 hrs. charge, standby time 7 days, and the connection distance is 10m. Thanks for looking.
