Range is impressive. I live in a small apartment, and I like walking around while I'm listening to music or podcasts. With older Bluetooth headphones, the connection would start dropping as I walked more than 10 meters across rooms. I performed some tests with the Solo3, and not only can I walk 20 meters away from my iPhone (across rooms with walls between them) – I can go outside on our balcony (a very large open space) and the connection holds up nicely until I walk to the very edge.
For comparison, my old Beats Studio, Apple Magic Keyboard, and first-gen Apple Watch can't keep their iPhone connection going at the same distance. Later this month, I should be able to keep my iPhone charging inside and chill on my sofa outside with a pair of AirPods, controlling (almost) everything with Siri. The Solo3's range is remarkable, and it builds on the idea of cable-free movement enabled by wireless audio.
Battery life is a noticeable upgrade from previous Bluetooth Beats as well. According to Apple, the Solo3 – driven by the efficiency of the W1 chip – should last 40 hours on a single charge, with Fast Fuel turning a 5-minute charge into 3 hours of playback. I can't confirm these exact numbers, but I can say this: after listening to music a couple of hours each night for 10 days, my Solo3 still had over 60% of battery left.
At roughly the same weight and comparable audio quality, the Solo3's 40 hours of battery life are a noticeable jump from the Solo2's 12 hours of wireless playback. I wouldn't be surprised if future Beats Studio Wireless models exceed 60 hours of battery life thanks to the W1. Historically, poor battery life has been the main drawback of Bluetooth headphones; Apple is onto something with the W1's power management.