Btopllc USB Microphone Professional USB Podcast Condenser Microphone PC Recording Professional Microphone For PC/Computer (Windows, Mac, Linux OX ), Plug and Play, for Podcasting, Recording - White This is an integrated professional recording microphone /Studio Condenser Recording Microphone with free USB interface. The microphone is ideal for family, personal studio, chat rooms, radio stations. It is easy to operate with an interface via USB to any personal computer or apple computer. Echo Function: The microphone has built-in Reverb chip. Adjust the reverb knob on the microphone to add perfect reverb effect. No need for sound card. With Professional amplifier chip, you can amplify the output volume of the microphone up to 25 times. Microphone using the latest professional capacitor microphone design technology, with excellent chip, through the USB cable to power a microphone, the microphone set the adjustable volume size on the body, and the size of the reverberation adjusting knob, easy to use.