Adult Swim Goggles In Case

Adult Swim Goggles In CaseHigh Power BTE Aid -2 Ch Wdrc Processing -Low Frequency Gain H-Trimmer-Overall Output P-Trimmer -Low Battery Warning -Volume Adjustable 1.Peak OSPL 90 ( dB SPL): 130 ±5dB 2.Peak  Gain(dB) : 55±5dB 3. Frequency range(Hz) : 200-5500Hz 4.Distortion :500Hz :  2.0% 800Hz :  1.5%, 1600Hz:  1.0% 5.Equivalent Input Noise  (dB): 26dB 6.Battery size : Zinc Air #13A 7. Battery working for 200-300hours