1. Speaker: 10mm.
2. Impedance: 16Ω±15%.
3. Frequency response: 20~20000Hz.
4. Sensitivity: 92dB±3dB.
5. Audio plug: Ø3.5mm. Weight: 14g.
6. Earphones cable: TPE high elastic cable with enameled wire, cable length: 1.2m.
7. Microphone: controller with mic.
8. Wire control: functional one-button operation controls music playback + answering calls, up and down music functions, volume control, adapting and controlling Apple and Android.