Solid sound quality, 25 hours of battery life with charging case, battery level indicator of charging case, fast and stable bluetooth 5.0 connection, easy touch control, dsp noise canceling, only 3.9g lightweight, ipx5 sport waterproof, magnetic case lid. •ture wireless and bluetooth 5.0 :with the newest bluetooth 5.0 technique, haylou gt1 pro owns speedy and stable connection and almost imperceptible lag. achieve a connection with ios/android devices on one step-taking earbuds out from charging case. •25-hours battery life:haylou gt1 pro provides 25-hours battery life with charging case.earbuds last for around 4 hours on one charge and the charging case can charge earbuds for extra 6 times. the remaining battery can been seen clearly when turn on/off the charging case.