Introduction (Does It Do What It Should) So, like I said in the video, I don't really review a lot of toothbrushes, and I would have to say that the Laifen Wave is unique amongst them. Sure, there are a lot of toothbrushes that are smart, and many that are electric as well. However, does your electric toothbrush last up to 30 days? Well, Laifen is the first company to … [Read more...] about Laifen Wave Smart Toothbrush Review!