【Air Bone Conduction Technology】Compared to bone conduction earphones, the air conduction earphones uses the principle of air conduction that long time wearing will not make the ear feel swollen and painful, the damage to hearing than other in-ear earbuds is smaller. And with its wireless ear clip design, it can be easily worn without worrying about ear size. 【Daily Sports & Work】The open ear true wireless headphones features an open-ear design and offers an IPX5 rating for sweat and water resistance. It’s safe to wear whether you’re exercising, driving or biking, or to help you be aware of your surroundings during online meetings or travel. That’s what open headphones do. 【Latest Bluetooth 5.3 Chip】 Using the most advanced bluetooth headset 5.3 technology with mic, very stable connection. The two earphones are equipped with Bluetooth chips, so you can pick up one to listen to regardless of the primary and secondary earphones, which solves the tedious experience of single and dual channel switching of real wireless earphones. 【Quick Pairing & Touch Control】The open ear true wireless headphones will connect to the previously paired device as soon as you take it out from the charging case. And the touch control will free your hands, you can freely switch, adjust the volume pick up/hang up calls, pause/play and voice assistantand without take your devices. 【Long Battery Life 】Each earbud has 8 to 12 hours of listening time, up to 40 hours with charging case.