Signal Split-Wire Surveillance Earpiece With PTT Button

• Allows for handsfree use of your phone
• Push-to-talk with crystal clear audio
• Balanced armature magnetic receiver
• Comfortable acoustic audio tube
• Thumb PTT and microphone in one housing
• Sturdy clothing clip

Specifications:

• Sensitivity @ 1k Hz (dB SPL): 108
• DC resistance : 92 Ohmns
• Impedance @ 500 Hz: 200 Ohmns