KEF Mu3 Noise Cancelling True Wireless Earphones (Silver Grey)

Key Features

Active Noise Cancellation reduces ambient noise for clearer listening

8.2 mm full-range dynamic drivers tuned for balanced sound with clear vocals and controlled bass

Bluetooth 5.0 for stable wireless connectivity with both Android and iOS

Battery life up to 9 hours on a single charge with ANC on, and up to 24 hours total with the charging case

Fast charging support: 5 minutes of charge gives around 1 hour of playback

Lightweight ergonomic design for comfortable long-term use

Multiple ear tip sizes included for secure fit and better passive isolation

IPX5 water and splash resistance suitable for workouts and outdoor use

Physical button controls for playback, calls, ANC and transparency mode

Compact charging case with magnetic docking

Description

KEF Mu3 – Noise Cancelling True Wireless Earphones (Silver Grey)

Premium 8.2 mm Dynamic Drivers
Designed by KEF’s expert engineers to deliver detailed, natural sound with balanced frequency response for an immersive listening experience.

Active Noise Cancellation & Ambient Mode
Powerful ANC reduces external noise, while Ambient Mode allows you to stay aware of your environment on demand.

Bluetooth 5.0 with Simultaneous Dual-Ear Transmission
Ensures a stable and low-latency connection with both earbuds receiving the signal simultaneously.

Long Battery Life & Quick Charging
Up to 24 hours of total playtime (9 hours from earbuds + 15 hours from charging case). Only 5 minutes of charging gives you 1 hour of playback.

Splash-Resistant IPX5 Build
Water-resistant design makes these earphones suitable for workouts, commutes, or daily wear.

Comfortable & Secure Fit
Includes multiple ear-tip sizes to ensure a snug, ergonomic fit for optimal comfort and noise isolation.

Elegant Silver-Grey Design
Sculpted by designer Ross Lovegrove, the Mu3’s sleek form and premium finish combine aesthetic appeal with practical usability.

Specification	Details
Brand	KEF
Model	Mu3
Product Type	Noise-Cancelling True Wireless Earphones
Driver Size	8.2 mm Dynamic Driver
Frequency Range	20 Hz – 20,000 Hz
Sensitivity	104 dB / 1 mW @ 1 kHz
Impedance	16 Ω
Bluetooth Version	5.0
Supported Codecs	SBC, AAC
Bluetooth Range	10 m
Battery (Earbud / Case)	55 mAh / 500 mAh
Play Time	9 hrs (ANC On) + 15 hrs with Charging Case
Fast Charging	5 min charge = 1 hr play time
Water / Sweat Resistance	IPX5 (Splash Proof)
Weight	5.8 g per earbud, 46.8 g case
Charging Case Dimensions	33.5 × 62 × 52 mm
Operating Temp Range	-10 °C to 45 °C
Power Input	DC 5V, 600 mA
Color	Silver Grey
In the Box	Mu3 Earbuds, Charging Case (wireless), USB-C Cable, 4 sizes of Silicone Tips, Manual