k9

Key attributes style lavalier microphone, wireless microphone communication wireless use smart phones, teaching function noise cancelling, portable other attributes place of origin guangdong, china private mold no brand name oem model number k9 material plastic, abs polar pattern omni-directional type condenser microphone signal to noise ratio 65db frequency response rate 20hz-20khz maximum spl 110db sensitivity -38db±2db product name wireless lavalier microphone packaging and delivery packaging details color box selling units: single item