Marshall Monitor III A.N.C. Over-Ear Bluetooth Headphones - Active Noise Cancelling with Microphone - 100+ Hrs Wireless Playtime - Lightweight, Foldable Design for Travel - Black

???? Audio & Sound Quality

• Marshall sound signature: Balanced yet vibrant tuning with punchy bass, clear mids, and crisp highs—excellent for rock, pop, classical, and podcasts  .
• Soundstage mode: Optional spatial audio (“SoundStage”) enhances sense of space, though some reviewers prefer leaving it off  .

???? Active Noise Cancellation & Transparency

• Effective ANC: Efficiently reduces ambient noise (approx. 20 dB reduction), ideal for flights and commuting  .
• Transparency mode: Lets in environmental sound, but may feel less clear than competitors  .

???? Battery Life & Charging

• Record-breaking endurance: Offers up to 70 hours playback with ANC on, and up to 100 hours with ANC off—among the longest in the market  .
• Fast charging: Just 15 minutes gives about 12 hours of playback