Chstarina Wireless Earbuds Sports Bluetooth 5.1 Earbuds IP7 Waterproof Wireless Headphones In-Ear with Charging Case Ear Hook 40H Playtime Deep Bass Ear Buds Noise Cancelling Earphones for Gym Running

* designed for sport : with the help of ip7 waterproof, sports wireless headphones with ear hooks are strong enough to resist all the penetration from splash and water. wireless tangle-free design is complemented by silicone earhooks, holding bluetooth running headphones wireless in place even during active movements. zero worry for all kinds of outdoor sport activity. * bluetooth 5.1 : wireless running earbuds with bluetooth 5.1, edr tech, support a2dp,hfp,hsp,avrcp and provides bass sound and crystal clear voice calls at any volume. also own fast and stable transmission without tangling, you can use sport bluetooth earbuds wireless freely and no longer worry about missing calls. wireless earbuds supports various bluetooth enabled devices. experience music, movies, podcasts, calls, tv and more in a whole new way. * 40 hours playtime : true wireless earbuds sport can last for over 10 hours' playtime from a single charge and 30 extra hours in the compact charging case. it only takes 1hr to full charge the e...