Howard Leight Impact Pro Electronic Earmuffs amplify low-level sounds and provide a noise reduction rating of 30. Designed with handgun shooters in mind, the Impact Pro actively listens and automatically shuts off amplification when harmful levels are reached. It connects to MP3 players, smart phones, and scanner radios. Included are 2 AAA batteries and a 3.5 audio input connection cord.
Specifications:

Type	Electronic
Color	Black
NRR	30 dB
Quantity	1 Pair
Style	Over the Head
AFT Circuit
Battery	AAA (2)
Compression Circuit
Material