There are four screws, and four expanders included. Im no expert on audio quality but I use quite a few over-ear headphones as well and the audio quality of these doesnt bother me when i switch between the two types. solar light flame effect Been very impressed with the the sound and the ability to hear things around me. Other than that I’m totally happy with them. solar light flame effect Didnt want to spend alot on something that might not fit or will be used all that often. solar light flame effect Easy to install and remove. I decided to do the plug-in install - so it was quick after I ran an outlet for it to plug into. Was a bit worried the mic wouldnt work on the Nintendo Switch, but it works perfectly with Fortnite. solar light flame effect So I sent those back and ordered the 7/8. 5 it’s UK which is a size 40 in EUROPE make sure you order the right size 7.
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