Easy to Use: This 3.5 mm listen only headset from Decibullz is easy to use and adapt to the needs of your profession or needs. This headset is a quick disconnect surveillance earpiece that can be combined with custom earplugs or used as is. This listen only earphone kit for speaker mics are used by law enforcement officers, security companies, casinos, retailers and much more. Headset is available for 3.5 MM threaded audio jacks. | Compatibility: Acoustic headset listen only fits two-way radios (audio only), radio speaker mics, remote mics, MP3 players, and other audio accessories with 3.5mm earphone jack. | Comfortable Fit: Decibullz listen only headset can be worn and rotated for the left or right ears. Wear this comfortably headset earpiece without worry, reinforced earphone clip provides cable retention eliminating strain on the earphone. | High Quality Speaker Output: Decibullz listen only radio headset provides a premium clear sound through the clear acoustic tube even in traditionally loud environments. This listen only headset helps to provide a perfect clear long range distance communication. | Customizable Upgrades: Decibullz listen only headpiece comes with standard silicone mushroom earpiece adapter. If you are seeking a customizable fitted earpiece for a profession Decibullz had a wide arrange of customizable moldable fitted earpieces the seamlessly concept to this listen only headset. Where you seek for an awareness compatibility or isolation there is an earplug that works for you.