For whatever it is you want to convey, Sennheiser's HSP Essential Omni neck-worn microphone is the way to give weight to your voice. As well as pushing your speech forward, it holds back from physical pressure and discomfort. Lightweight and inconspicuous, it's barely felt, even when it's worn throughout long sessions. Its name is also a philosophy, compressing professional quality and function requirements down to the essentials – for a substantially lower price. Along with its high level of wearing comfort and robust frame, it brings brilliant sound with distortion-free transmission as well. The result is a pro-quality headset mic suitable for any budget. This particular model, the HSP Essential Omni comes in choice of either Black or Beige with a 3.5mm jack.IncludesHSP Essential OmniSoft pouchFoam windshieldFeaturesNewly developed KE 4 capsule provides warm nuances and better audio qualityAbility to handle maximum sound pressure levels for distortion-free reproduction in every applicationFlexible and ergonomic neckband design adapts securely to a variety of head shapes and sizesGentle yet secure fit for maximum wearing comfortRobust construction while simultaneously delicate and inconspicuousSweat resistant thanks to patented umbrella diaphragm and rubber sealing ringEasy maintenance: high-quality mechanical structure; all individual parts can be replaced and ordered separatelyHigh-quality coating, allergy-friendlySpecificationsConnector: 3.5mm jack or 3-PinFrequency response: 20 - 20,000 HzMax. sound pressure level: 148 dBCable length: 1.3mWeight: 25gDiameter: 4.8mmPick-up pattern: Omni-directionalSensitivity in free field, no load (1kHz): 2.5mV/Pa +-3.5dBNominal impedance: 1000 ohmsMin. terminating impedance: 4700 ohmsEquivalent noise level: 30 dB (A-weighted, DIN IEC 651)Equivalent noise level weighted as per CCIR: 42 dB Sennheiser HSP Esential Omni Neckworn Headset Microphone with 3.5 mm Audio Jack - Beige.