If you’re after a no-nonsense Wear OS device which comes with direct and unfiltered access to Google and Android services, then you might want to check out the Pixel Watch 4. It packs a lot of upgrades over its predecessors, and Pixel users after a smartwatch for their Pixel smartphones might want to check out this deal which brings down its price to less than 400 bucks. The Pixel Watch 4 comes in 41mm and 45mm variants, which both feature rounded touchscreens.  Inside, the Watch 4 is powered by a Qualcomm Snapdragon W5 Gen 2 chipset which runs alongside a Cortex-M55 co-processor, and runs on a 455 mAh battery for the 45mm variant, and a smaller 325 mAh battery for the 41mm model. Google claims a maximum of 72 hours of battery life for the larger model, and up to 48 hours for the smaller one.…