Diaphragm Speaker Unit The wireless earpiece uses a diaphragm speaker unit with equalization adjustment technology and fine tuning to deliver layered, rich sound detail. Bluetooth 5.1 Ultralight business earphone with Bluetooth 5.1 provides a safe, stable and fast wireless connection and supports efficient voice data processing. Noise Reduction Builtin CVC noise reduction technology helps shield ambient noise, reducing interference during calls and improving call clarity. Comfortable to Wear Compact, thin and light design places no pressure on the ear, offering comfortable and safe wear for extended use. Key benefits Enhanced sound quality with a diaphragm speaker unit and adjustable equalization for clear, detailed audio. Stable, fast wireless performance with Bluetooth 5.1 for reliable calls and voice transmission. Effective noise suppression in noisy environments for clearer conversations. Lightweight, unobtrusive design that remains comfortable for long periods of wear. Use scenarios Office or call center environments with background chatter, where clear voice transmission is important. While commuting or traveling, taking advantage of a lightweight, comfortable fit for hands calls. Remote meetings or conference calls at home or in small meeting rooms, where stable connection and good audio quality matter.