A:AnswerNot for certain about S10, but i made same mistake and found adapter on good old Am**on. It works I don't hear any issues, but other people frequently say that there is static. I assume this to be because the headset is not directly linked to cell.
A:AnswerYes but not for a long term use. Also if you are in a job position where you are going to be handling sensitive information and need to hear the person clearly then NO I would spend a little more and get a better quality.
A:AnswerSmart phone audio jacks are 3.5mm which is standard. This particular headset has a 2.5mm audio jack - which is common for cordless "landline" phones.
A:AnswerI don't know for sure. It fits my Panasonic perfectly. Having said that, I would never purchase this item again. The cord is much too long and gets in the way. Tried rolling it up but that certainly doesn't look appealing. I have had this item along with my new phones for quite a few weeks now. There is a noise in the headset which comes from the connection to the phone itself. So not only am I dealing with the extra long cord but I have to put pressure on the part that connects to my phone. I would return it if I still had the receipt.
A:AnswerThis headset is to be used with a cordless phone - Plantronics makes headsets (just like this item). I think you may be mistaken on what this product is to be used with and for.