so this is the new lawnmower 4.0 Pro and this is the baller Pro and today we're going to compare these two razors now first off when it comes to charging these two razors both of these razors charge via a USBC port or they both charge wirelessly now with the Ballo Pro if you want to charge this razor wirelessly you do have to use its charging base and you do plug in the USBC cable here and in the back whereas with the lawnmower 4.0 Pro this razor charges on any Chi wireless charger so personally I do feel that having the option to either charge your razor wirelessly or just plug in your phone's USBC charging cable