1. Speaker: 10mm.
2. Impedance: 16Ω ± 15%.
3. Frequency response: 20 ~ 20000Hz.
4. Sensitivity: 92db ± 3db.
5. Audio plug: Ø3.5mm, weight: 16g.
6. Headphone cable: TPE high elastic with enameled wire, line length: 1.2m.
7. Microphone: controller with mic.
8. Control: one-touch operation control music player + answer the phone, up and down song function, control Apple and some of the Android system.