1. Horn: 8 mm authentic copper ring, impedance: 16Ω±15%, frequency response: 20~20000Hz,
2. sensitivity: 110db±3db; Audio plug: Ø3.5mm;
3. headset line: TPE highly elastic enamelled wire, line length: 1.2 M;
4. Microphone: metal microphone with a controller;
5. Line control: functional control of music playback + call answering by single key operation, suitable for operation of Apple and most of Android systems;
6. Adopts full metal ear shell case design, cabinet and delicate.