Microphone Stereo Bass Noise Cancel For Smartphone Phone Headset Sport Headset Wired Earphones In Ear Earphones Flat Earbuds

Product Properties: ear-style flat ear with a button to answer the phone
Applicable models: all 3.5mm port mobile phone,
product manual:
Product technical parameters: (speaker parameters)
Product technical parameters: (microphone parameters)
Speaker diameter: 16MM
Directionality: full point.
Frequency corresponding: 20HZ-20KHZ
Microphone specifications: 6 * 2.5MM
Sensitivity: 110 ± 3DB (at1khz 1mw)
Frequency range: 30-15000HZ
Impedance: 32 ± 15%
Sensitivity: -58 ± 3DB
Rated input power: 30MW
Impedance: <10Kohm
Maximum rated power: 50MW
Use voltage: DC4.5V
Needle head: 3.5MM
Wire length: 120CM
Line control with calls, song music the phone can be achieved on /off .
Package include:1Pc Earphones Note:
Instructions: plug in 3.5 jack headphones, if the sound is normal that does not need to adjust; if the sound is not clear with the NK - IP key to adjust to clear file can be.
Please allow 1-3cm difference due to manual measurement.
Due to light and screen difference, the item's color may be slightly different from the pictures.