Only Listen
JH-618 

Ear hook single earphone.
1.Soft rubber ear loop with speaker.
2.Rotating speaker which alleviatespull pressure from the cord.

3.Adjusts to fit either the left or right ear.
4.Listen only device.

Specification:
Speaker size: 15mm
Sound pressure level: 103dB ±3dB
Impedance: 32 Ω ± 15%
Audio output:100mW