ma_schi9 years ago000What is the difference between M235 and M235, refresh? mfg M. SchibliShow in original language (German)Brimstone9 years ago+110 Helpful answerThe Refresh version is the V2 of the same model. The difference is in the receiver. I cannot tell you if there are other differences. http://support.logitech.com/de_ch...Show in original language (German)Comment