Sony Compact Earphone Style Microphone, Designed to Record Phone Conversations From Your Cell or Telephone to Your Voice Recorder, Computer and Any Other Recording Device
Directivity:Omni-directionalFrequency Response:20 - 20,000HzPlug:Gold-plated,Three-Conductor, L-shaped mini-plugType of Use:Electret Condenser MicrophoneCord Length:5 ft 1.5 mEarbuds:3 sizes (small medium large)Plug:3.5mm mono mini plugBattery:No batteries are required