Are you looking for a professional, yet wireless microphone ? Are you in search of a sturdy, trustworthy microphone that can do multiple jobs at once? , ! Our microphone must meet your needs. Features - Color: Black - Material:Sponge, plastic - Size: 5.00X2.80X2.80cm/1.97X1.10X1.10in - Frequency response: 50-16000HZ - Sensitivity: -71dB - Impedance: 600 ohm±30% - Light and durable, great replacement for microphone, is very sturdy and not easy to break or deform. - Mic core has a simple design, but very practical in use, giving you a . - A good substitute microphone core for broken or worn out one, and practical to use. - No need to buy the microphone if is broken, just replace it with this mic capsule, satisfy your DIY fun. - Microphone core can be used for small performances, entertainment KTV, home theater, etc. Package list: 1 x microphone core