While a 5-gram reduction in weight may sound minor, the improvements were immediately noticeable, leading to quick, snappy movements and flicks required in first-person shooters. In precision-focused games like Counter-Strike 2, the weight felt perfectly balanced to throw around without being so light that I lost control, and in fast-paced titles like Helldivers 2, the added agility gave me the ability to contend with multiple enemies at once (or, more accurately, easily turn around and flee from them). Instead of the singular RGB indicator of the V3’s hyperpolling dongle, the desktop bio-dome has three programmable RGB indicators to display one of four different settings: connection quality, battery level, polling rate, and current DPI stage. The first two are indicated by a red-to-green gradient, and the last two will correspond with the predetermined colors for each stage. While all of these have their use, I found the indicators for connection quality and battery level to be the most practical. Comfortable for Competition The biggest improvement on the V4 is the introduction of Frame Sync. This system …