bluetooth 5.0 wireless earbuds, ipx8 waterproof wireless earbuds,tws stereo headphones in ear,built in mic headset,premium sound with deep bass for sport,auto pairing, led digital show,total 135 hours afrog <b>afrog – fullfill your life with passion and creative. </b> <br> <b>features</b> <br> <br> <b>bluetooth specification: </b>v5.0 <br> <b>bluetooth protocol: </b>hsp,hfp, a2dp, avrcp <br> <b>support system: </b>all bluetooth devices and mobile phones <br> <b>valid range: </b>33ft (10 m) <br> <b>charging voltage: </b>5v/1a <br> <b>batterly capacity of the headset: </b> 50mah <br> <b>batterly capacity of the station: </b> 2000mah <br> <b>charge time: </b> 30 min (earbud) / 2-3h (station) <br> <b>play time: </b>3-4 hour x 12-15 times <br> <b>call time: </b>6-9hour x 12-15times <br> <b>standby time: </b>90 hour <br> <b>package contents: </b>charging box*1,headset:l/r,data cable*1 <br> <br>