No USB connectivity? Like, at all? It's a good job SteelSeries' new gaming mice are two of the best I've felt under my fingertips

Last month, I visited SteelSeries HQ in Copenhagen to get a first look at some new gear, but the most surprising thing was not what was there but what was conspicuously lacking: USB ports. The two new mice I was shown, the Rival Pro and Sensei Pro, cannot be plugged in at all. A bold decision, but over the past few weeks of using both mice, I've been surprised to find that sacrifice is worth the benefits. So much so that I couldn't help but conclude in my Rival Pro review that SteelSeries is absolutely and unequivocally back, baby, firing on all competitive cylinders.

All this is said, however, with a big asterisk, this being the assumption that connectivity and functionality will hold up over time. These mice cannot afford to struggle with connectivity for firmware updates, for instance.

SteelSeries is using ultra-wideband (UWB) wireless, which is a new and niche tech that promises to be more reliable, however given …