I have a Nokia E61, which even thought there is a E62 non pop port version available in the US I bought my E61 for the freedom of and unlocked device and the use of WiFi. I Bought this adapter so I can replace my music player and it works great. Replaces my music player completely. I use it in a car with a cassette adapter and the sound quality is excellent not only for music but for calling (no complaints of the quality of my voice using the integrated mic). It also provides a great deal of RF isolation to avoid noise from the cellphone signaling in call and out of call. Instead of making this review into a rant over the popport like the prev reviewer, let me praise this adaptor as it is great and the seller shipped the device inmediatelly and in less that two days got it.