I noticed that the SEX 4.0 has its power switch reversed as compared to my SEX 2.0, original EROS, and the Moreplay. I did a double take and rechecked the manual and sure enough it is opposite of the other kits. Is there a specific reason for this? I am considering flipping the orientation to make it inline with the other BH gear I have, but wanted to double check to make sure I am not missing something. Thanks!