* Maximum Saturation Sound Pressure
* Level (SPL) ±4dB : 130db
* Maximum Acoustic Gain ± dB > 35
* Equivalent input noice < 30db
* Total Harmonic wave Distortion < 4mA
* Runs with Battery LR44H
* Comes with one extra battery
* 2 Earnobs for all users
* Comes with attractive case