Released in February 2016, the Walkman NW-E393 is a part of the NW-E390 series along with the NW-E394 and NW-E395. It has a 1,77" inch color display and 4GB of memory.
Hello. The way these buttons work is the rubber or plastic part of the button you push when it was all together has similar carbon contacts as seen in the pic. The carbon contactors cross the little center dot in the pic to the outside ring shown in the picture!
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