I am a sales rep, doing a real lot of phone work, and have been using this style of headset for 20 years (Other brands)I am very picky - the important things for me are - sound quality on the customer end, comfort and sound quality on my end. Mais si cest pour faire du sport, la transpiration finira par massacrer les mousses. xr1 pk Love these shoes The difference in how well I hear things in-game with this headset compared to the previous headset I owned (a Logitech G430) is absolutely night and day. xr1 pk I wear a 9 1/2 M. xr1 pk The black foam stuck/stained my socks/feet. I got a defective product and now I cant find any phone number and address to return the product. There are a lot of features and options, it would be difficult to do them all justice so I would suggest going to the Sennheiser site and downloading the instruction manual. xr1 pk Exageradamente grandes + Leicht.
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