Model Number: Y-01
Key Specifications/Special Features:
3 different size ear plugs 3 LR44 battery x 1, cleaning brush x 1, manual includes free protecting and carrying caseSpecial function key OFF-ON battery current drain 2mAComfortable for either earRated voltage: 1.5VBattery: AG13/LR44Max saturation sound pressure level (SSPL): 127dB ±4dBFull on acoustic gain 40 ±5dB
Total harmonic distortion (THD) F>1000H ≤15% F<1000H ≤10%
Frequency response: 450Hz~3800Hz
Equivalent input noise: 29dB