I threw mine away entirely because they aren't even good for backup. I immediately got the noise in them, connected to several devices and got a little buzz on the left, the wire is so thin that even when unwinding it for use I was afraid I'd see the tiny human hairs like connections inside would tear. Probably the shittiest headphones I've ever owned, including the ones that came with the clock radio I got. $1 gumball machine as a kid. Very disappointed in them, wanted to send them back but it just wasn't worth my time. Even when they worked, they just fell out of the ears with the slightest movement, even with the right size rubber ear tips installed.
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