Listen-only
1.Soft rubber ear loop with speaker.
2.Rotating speaker which alleviates pull pressure from the cord.
3.Adjusts to fit either the left or right ear
4.Listen only device
Speaker size:15mm
Impedance:32 ohms,+/-15%
Frequency response:20-20KHz
Sensitivity:87db
2.Rotating speaker which alleviates pull pressure from the cord.
3.Adjusts to fit either the left or right ear
4.Listen only device
Speaker size:15mm
Impedance:32 ohms,+/-15%
Frequency response:20-20KHz
Sensitivity:87db