Four years after launching the original Pixel Buds A-series, Google’s back with the Pixel Buds 2A. The new budget buds are $30 more expensive at $129.99, but add some notable updates like an upgraded chip, Gemini access, a replaceable battery, and most importantly, active noise cancellation.The 2A also adds a Tensor A1 chip, which Google says “unlocks the power of Google’s advanced AI and Gemini features.” That Gemini access was heavily emphasized during my briefings, though in practice it mostl...