ITEM NAME:Wired Hands Free Headset Microphone Mic Megaphone Speaker System For Teacher A#S Product Description Description: Features: Durable 1.18m nylon weaving wire, reliable for your normal using. Soft rubber tube frame, no pressure to your head. Suitable for connecting voice amplifier or PC microphone port. Flexible microphone holder arm, adjust to your ideal angle. Lightweight, easy and convenient to carry. Specification: Microphone Size: approx. 0.6 X 5 mm/0.0024 X 0.2" Sensitivity: -52db ±3dB Direction: Single Impedance: ≠¤2.2k ohm Work Voltage: 2.0V Frequency: 100-16kHz SNR: >60db Plug Diameter: 3.5mm Included: 1 X Microphone.Suitable for connecting voice amplifier or PC microphone port. Flexible microphone holder arm, adjust to your ideal angle. Microphone Size: approx. 0.6 X 5 mm/0.0024 X 0.2". Sensitivity: -52db ±3dB.
