Let me start by saying that I have been using the Mangroomer Essential DIY back razor for over 10 years. This is the most basic you can get. It still works great. No problem. But when Mangroomer offers a 50% wider blade, foil head for grooming, power burst function, angle lock button, etc., that's a big upgrade for me. I'm all there So, after a full charge for a day, I tested it. It worked great. All attachments, all functions, what an improvement. For me this is the best product. I don't likeβ¦