Diaphragm Speaker Unit: The wireless earpiece uses a diaphragm speaker unit with equalization adjustment technology and fine tuning to deliver layered, detailed sound. Bluetooth 5.1: Ultralight business earphone with Bluetooth 5.1 for fast, stable wireless performance and efficient voice data processing. Noise Reduction: Builtin CVC noise reduction technology helps shield ambient noise and reduce interference during calls. Comfortable to Wear: Compact, thin and light design with no pressure on the ear, offering comfortable and safe wear for extended use. Benefits at a glance Clear, detailed sound for calls and media, with careful tuning for everyday use. Stable, fast wireless connection with efficient voice data handling. Quiet calls in noisy environments thanks to effective ambient noise reduction. Lightweight and comfortable fit suitable for long work sessions. Use scenarios Office and online meetings: reliable Bluetooth connection and clear audio for uninterrupted communication. Travel or field work: hands calls on the go without ear fatigue. Home or remote work: comfortable allday wear while participating in calls or listening to audio.