The Yesido YSP26 is an Open Wireless Stereo (OWS) ear-clip earphone designed for comfort, situational awareness, and secure fit, utilizing air conduction technology rather than in-ear plugs. Key features include a charging case with a built-in LCD touchscreen for monitoring battery, ENC (Environmental Noise Cancellation) for clearer calls, and Bluetooth 5.3 or 5.4 connectivity