Serial number: Hoco M40

1. Speaker: 10mm.
2. Impedance: 16Ω±15%.
3. Frequency response: 20~20000Hz.
4. Sensitivity: 92dB±3dB.
5. Audio plug: Ø3.5mm. Weight: 13g.
6. Earphones cable: TPE high elastic wire with enameled wire, wire length: 1.2m.
7. Microphone: controller with microphone.
8. Wire control: functional one-button operation controls music playback + answering calls, up and down songs, adapting to control Apple and Android.