Brand Name: AyeBeau AYEBEAU Model: Lavalier Wireless Microphone Lapel Buttonhole Professional Dual Mic Transducer: Dynamic Microphone Set Type: Transmitter Sets High-concerned chemical: None Style: Lavalier Microphone Use: LIVE Origin: Mainland China Communication: WireLess Built-in Battery: No Package: Yes Polar Patterns: Uni-directional Diaphragm: S-Mall Micro Tie: Micro Tie Microphone for computer: Microphone for computer Wireless communication device: Wireless communication device Wireless microphon: Wireless microphon Professional wireless microphone system: Professional wireless microphone system Vlogging kit for phone: Vlogging kit for phone Choice: yes