Before the setup, turn down the volume control of speaker. https://www.zdnet.com/article/how-do-i-connect-a-microphone-to-my-macbook During the use, a)slowly adjust the volume setting of speaker. b)Instead of speaker, please direct the microphone to your mouth for loud and clear sound. Shipping and handling. When plugging receiver in, do not place the mic directly in front of speaker. This item will ship to United States, but the seller has not specified shipping options. FIFINE USB MICROPHONE FOR GAMES (WINDOWS/ MAC). One of the reasons why they introduced two-year product guarantee and excellent technical support. The Fifine K669B is a USB condenser microphone that is compatible with both Windows and Mac computers. Some like the appeal of an XLR microphone setup, which involves more controls, thinking it is more likely to record higher quality signals. FIFINE USB Podcast Microphone for Recording Streaming on PC and Mac,Condenser Computer Gaming Mic for PS4.Headphone Output&Volume Control,Mic Gain Control,Mute Button for Vocal,YouTube. FIFINE K026 Wireless Handheld Microphone, Plug & Play on Computer for Online Speech $ 20.99 USD $ 33.99 USD What's Included: A FIFINE MICROPHONE K026 A USB receiver Features Recording vocal has never been any easier The USB connection makes for a simple setup with Windows, Mac or Linux (incompatible with Xbox). Fifine believes their success has been built on having good products and high standards. Quicktime. Seller assumes all responsibility for this listing. Shipped with USPS Priority Mail. Fifine K678 comes with easy operation. But it could also be a death trap: One mistake with any dial, you will sound like garbage. Quicktime is the easiest of the bunch here, since its audio settings can be edited in the screen recording window. c)And keep the mic at least 9 feet away from speaker for perfect effect. To change the microphone settings you need to go to the menubar and click File then click New Screen Recording in the window that appears, you'll see a white arrow on the right side, click it and it will open up a drop-down menu of the microphones you can choose from. USB mic could overrun the XLR set up …