PIP Electronic Ear Muff with Headband Adjustment, AM/FM Radio and Active Listening - NRR 24 Level Dependent microphones in each ear-cup ensure excellent directional hearing, offers natural sounds and enable you to hear conversations, warning signals and other important information without compromising protection. Easy to reach controls let you manually tune the AM/FM radio accurately. Combined with the automatic frequency control you will lock on to your favorite station for the best reception available even in low signal areas. For optimal safety communication radios can be connected via the external sound input as well as MP3 players and other common devices. This Features Manual tuning and Automatic Frequency control makes it easy to tune accurately and locks onto desired station Level Dependent microphones provides natural sound quality The sound is limited to a safe 82 dB level Soft cushions with Smart "Snap-In" System for easy replacement Smooth size adjustment for optimized comfort and seal Includes 2 x 1,5 V AA batteries for up to 120 hours of use External 3.5 mm sound input for MP3 players etc. Tested and CE approved against European and North American standards