Are you looking for a professional, yet microphone system? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional microphone system must meet your needs. It is one of the for you. Features -Color: As shown -Material: Iron, ABS -Size: About 17.00X5.50X5.50cm/6.68X2.16X2.16in -Type: 58A -Input voltage: 5V -Built-in battery capacity: 300-500MAH -Signal to Noise Ratio: >=70db -Frequency response: 50HZ-16KHZ -Sensitivity: -55db±3db(0db=1V/pa at 1KHZ) -Output impedance: 400±30%(at 1KHZ) -The microphone is made by high grade ABS and iron materials, high grade, stable and durable. -This product is easy to operate, comfortable to use, and can bring you a good use experience. -Unique filtering technology can make your voice clear, practical for you to use. -This microphone has a plug wire to improve mobility and make your use more convenient. -This material and fine workmanship products has extremely prominent sound, and there is no sound distortion. Package list: 1 x microphone 1 x plug wire