Code Red Recruit Microphone. It is not only lightweight but comfortable too. Has a clear acoustic tube earpiece with a earbud. A perfect choice for discreet communications with Security Teams Airsoft Teams Casinos/Resorts and Retail. We now carry the connector for Model XPR 3300e/3500e radios.This is a fabulous choice when resources are tight. Specifications for Code Red Recruit Microphones: Manufacturer: Code Red Audio Input: M12 Connector Battery Type: Lithium Package Contents: Code Red Recruit Microphones Code Red Recruit-M12: Recruit Microphone