The Razor Slim Electronic Muff features a hi-performance silicone composite headband to help ensure a slip-free, secure fit. It has two hi-gain omnidirectional microphones, low noise/frequency tuning for natural sound clarity, sound activated compression, and a hi-definition sound output with an auto input jack.
Specifications:

Type
Color	Black
NRR	23 dB
Quantity
Style	Over the Head
AFT Circuit
Battery
Compression Circuit
Material	Polymer