1.NRR:25dB.2.This JHP-E8830 is an ideal Hearing Protector built with a digital AM/FM stereo radio. 3.The noise-cancellation radio sound is fascinating in noisy environments. 4.It is specifically designed to protect your hearing when working under noisy conditions and create a suitable working atmosphere by listening to the radio.FUNCTIONS:1.Cushion blocking is soft and comfortable with good sealing to wear.2.Radio is built-in with switch key and volume adjusting key to get ideal volume.3.Support the function of switch between AM and FM for your any selection.4.Built-in antenna with high reception sensitivity.5.With function of preset and memory ( preset 8 different channels)6.With function of frequency scanning and searching automatically, frequency range from 87.5-108MHz in FM and 520-1710 KHz in AM.7.Clearly show with low battery digital display, frequency and timing display 8.LCD with précised micro-switch 9.Support external input equipment (EX: CD, MP3 player etc.), with stereo input jack10.Using two 1.5V AA batteries.11.Comply with USA EPA regulation ( Environment Protection Agency)
E8830 High quality Electronic Hearing Protector with AM and FM Radio