Warranty: All Floureon microphones have 1 year warranty, 100% satisfaction and zero hassle returns guaranteed.48V Power: Only works with device that could provide enough power(48V phantom power supply). Connecting with desktop computer, it can be used separately; But if with laptop computer, need connect to electrical outlet or use a 48V phantom power supply to make sound much clearer and higher. 48V phantom power supply not included.Frequency: Provide vocal intelligibility, crispness and neodymium magnet for high signal-to-noise ratio. Not suit for mobile phone and tablet computer. Please put the microphone away from the amplifier while recording to prevent noise recorded.Application: With cardiod (undirectional) pickup pattern suppress feedback and low self-noise, it suits for studios, recording studios, broadcasting stations, adage performance and computers.Reduce Noise: Shock mount to reduce handling noise. With standard screw adapter, can be mounted on all the standard microphone stands.