M51 Proper sound universal earphones with mic

1. Wired earphones speaker: 10mm, connector: 3.5mm, thus earphones are universal.
2. Earphone impedance: 16Ω±15%.
3. Frequency response: 20~20000Hz.
4. Sensitivity: 93 db±3 db.
5. Material: high-elastic cable with enameled wire, cable length: 1.2m. Weight is only 12g, therefore, earphones are portable and convenient to use.
6. Microphone: controller with mic.
7. Wire control: functional one-button operation control, adapted to control Apple and Android, so you can control music and calls.