KEF Mu3 are noise-cancelling true wireless earphones engineered for clean, accurate sound in a compact, ergonomic form. Designed in collaboration with Ross Lovegrove, Mu3 pairs KEF tuning with everyday practicality—stable Bluetooth connectivity, splash-proof protection, and controls that stay simple when you’re on the move.

Key features

• Active Noise Cancellation (ANC): tuned to reduce external noise while keeping musical detail intact.
• Ambient Mode: bring outside sound back in when you need awareness around you.
• Bluetooth 5.0: stable wireless performance with iOS and Android devices.
• IPX5 splash-proof: built for everyday use across changing weather.
• Up to 24 hours total listening: up to 9 hours from the earphones + up to 15 hours from the charging case.
• Fast charging: 5 minutes of charging provides up to 1 hour of playback.
• Full-range driver design: 8.2mm driver tuned by KEF engineers.
• Easy control: multi-function button on each earbud for playback, volume, and calls.

What’s in the box

• Mu3 noise cancelling true wireless earphones
• Charging case (with built-in wireless charging)
• USB-C charging cable
• 4 sets of silicone ear tips (large, medium, small, short)
• Quick start guide + warranty information

Technical specifications