FeaturesCompatible with smartphones, laptops and camerasDesigned for work conference calls, interviews, speeches & moreLightweight clip-on attachment for subtle, hands-free recording Excellent noise reduction technologyPlug and play, no drivers needed - 6m long cableSpeak naturally and sound professional with the ProSound Lavalier Lapel Omnidirectional 3.5mm 4 Pole Jack Microphone with 0.25\" Adapter. Blending in with your clothing, this hands free lapel microphone is small and unobtrusive with a quick clip on attachment perfect for any interview.Built with an extra backup battery and an adapter for any DSLR/amplifier/audio device, you can ensure your recording is clear and accurate for long recording periods in or outdoors.Perfect for almost all audio and video recording needs, whether you are using a laptop, camera or Apple/Android/Windows smartphone. This Prosound microphone is ideal for the following applications: Conference calls on Zoom, Teams, Google Hangouts, Facetime, WhatsApp and moreInterviews and general video recordings broadcast on YouTube, Facebook, Instagram and moreOther uses include teaching, speeches, events planning and singing performances.FeaturesTransducer Type: Electret CondenserPolar Pattern: Omni-directionalFrequency Range: 50Hz - 18KHzSignal / Noise: 74dB SPLSensitivity: -30dB +/-3dB / 0dB=1V/Pa, 1kHzOutput Impedance: 1000 Ohm or lessOutput Connection: 3.5mm (1/8inch) 4-pole gold plugBattery Type: LR44 (Included)Dimension: Microphone:18.00mmH x 8.30mmW x 8.30mmDAudio Cable: 20ft (6m)Weight: Microphone- 2.5g; Power Module- 18g