There’s no difference other then the version of bluetooth, both versions do exactly the same thing, there is no requirement to use NLW 2 over the original.
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Thank you very much, mate! 
Hello! Can someone help me with a resound smart 2.0 installation program? I bought a new laptop because my old one broke. Thank you and with much respect!!
Hi there, yeah it’s a bummer when things like this happen,I keep a backup on a flash drive for these types of situations.