久久免费性爱视频,亚洲高清在线观看看片,国产女人夜夜春夜夜爽免费看,亚洲se福利视频

?Excellent FM reception
?Built-in antenna with high reception sensitivity  
?Suppress noises to a safe 85dB
?Amplify weak sounds                                    
?Internal battery compartment,powered by two AA batteries 
?ANSI, NRR: 26dB