After a polarizing initial headphones debut with a built-in air filter, the noise-canceling Dyson OnTrac headphones are a successful follow-up with superb sound quality, and right now, they’re at an all-time low: 50% off, down to $249 (originally $499). Available in CNC Aluminum and CNC copper, these stylish aluminum headphones have a retro-futuristic vibe similar to Nothing’s over-ear headphones . They earned an " Excellent" rating from PCMag for their impressive sound quality, bolstered by strong bass and mids, as well as superior noise cancellation. While there are three equalizer modes and three noise-cancellation modes, there’s no custom EQ. That said, the app does have one unique feature: Sound exposure metrics monitor whether you’re exposed to unsafe sound levels over time.