Check the listing for details. Single Earhook Headset Microphone w/ 4 pin mini XLR for Audio Technica Wireless. Condition: New. Listed at 21.50 USD. New Page 1 Professional Single Earhook Headset Microphone for Audio Technica Wireless ****************************Hirose 4 pin mini Connector************************************ This headset has high quality microphone capsule with Omi-directional polar pattern for vocal, speech, instrumental artists, solo entertainers, dance and sport applications. Features and Specifications: Element: Back Electret CondenserPolar Pattern: Cardioid Omi-DirectionalFrequency Response: 20Hz-20KHzSensitivity: -45dB +/-3dBMax Input SPL: 132dBOutput Impedance: 2000Ω±30% (at 1 KHz)Cable Length: 45 inchesSingle earhook with Safety Hirose 4 pin mini Connector and 2 WindscreensCompatible with Audio Technica T27, T31, T51, T200, T210, T300, T310, 1100, 1400, 2000, 3000 series SHIPPING: Free shipping to U.S. via USPS First Class Mail. Items will be shipped within 1 business day after cleared payment received. Return policy: We accept exchange or refund for defective item within 30 days after the buyer receive it. We are responsible for the return postage.