Model:M51 earphone
 
Wired earphones speaker: 10mm, connector: 3.5mm, thus earphones are universal.
 
Earphones impedance: 16Ω±15%.
 
Frequency response: 20~20000Hz.
 
Sensitivity: 93db±3db.
 
Material: high elastic cable with enameled wire, cable length: 1.2m. Weight is only 12g, therefore earphones are portable and convenient to use.
 
Microphone: controller with mic.
 
Wire control: functional one-button operation control, adapted to control Apple and Android, so you can control music and calls.