ROCK&EDGE Bone Conduction Headphones, IPx5 Waterproof Headphones  Bluetooth 5.3 Open Ear Headphones with CVC6.0 Mic for Swimming Running Cycling Driving Gym

Long Battery Lift 10-Hour Battery. With 10 hours of battery life(for 60% volume music play), enjoy your audio all day long.	Shocking Sound 16mm dynamic vibrator speaker, the sound quality is more open, the bass is thick, the mid-to-treble is fine, and the penetrating power.