Noticed a strong “burnt” smell when opening the package, I assume it’s part of the assembly process. Item wouldn’t work at first, then I found the rocker switch located out of direct view.Works great! I wanted the simplest and strongest unit I could get. I was tired of coming home and having the kids tell me the blender quit working while they were making smoothies!Unit has two switches, one says hi/low, the other says run/pulse, can’t get simpler than that!!