Q: 1. it is not recognized by computer; 2.no sound on my Mac?
A: You can find step-by-step tutorial videos for above question on K053 problem-solving playlist: http://bit.ly/k053problemsolving
Q: Does K053 USB lapel mic work with phones?
A: Yes, it does. But you need a USB type A to type C or lightening adapter and we have confirmed that it works with: Samsung S and Note series of 7/8/9, iPhone 5-8, XS MAX, Sony Z series, Goolge Pixel 2 and Huawei Mate and P 20. If you are using model that is not listed above, as long as the released date of your phone is similar to those mentioned models, the mic should still work.
Q: Microphone doesn't work with my Skype!"
A: 1.Follow the playlist: http://bit.ly/k053problemsolving to check if K053 is working properly.
2.For Windows user, you can go to Setting→Privacy→Microphone, and set it to allow apps to access to microphone, at lasts restart computer.
3.Update Skype to latest version or re-install the latest Skype.