K69 TWS Sound Conduction Earphone, an open-ear wireless headset designed for sports and active use.Design: Wraparound flexible neckband with a back-hook, open-ear structure that rests near the ear rather than inside the canal.Technology: Uses sound/bone conduction to transmit audio while allowing you to stay aware of outside ambient sounds.Connectivity: Features wireless Bluetooth connectivity (typically Bluetooth 5.0) with built-in control buttons on the side for volume and power