● earphone features for smartphone users
Stereo earphones!

Speaker unit Units:
* Type: ear type (canal)
Cable:
* Mode: the symmetry (Y type)
* Flat Cable
Plug:
* Type: Straight
* Diameter: 3.5 mm
* 4-pole terminal
Remote control:
* Microphone (call)
* Music and video playback mode:
Play, pause, next song, previous song
Basic specifications:
* Resistance: 32 Ω
* Sensitivity:
And earphones: 110 dB / mW
And microphone: -55 dB / mW
* Playback frequency range:
And earphones: 20 ~ 20,000 Hz
And microphone: 30 ~ 16,000 Hz
Contents: Ear Cap