KEF Mu3 User Manual

7
Music / Call / Voice control
Music Controls
Funcon Mulfuncon key
(Le earphone)
Mulfuncon key (Right
earphone or Mono mode)
 Short press once
 Long press
 Long press
Next track Short press twice
ANC on Ambient

Short press once to
change mode



the earphones
Voice Control
Funcon Mulfuncon key
(Le earphone)
Mulfuncon key (Right
earphone or Mono mode)
 Short press twice 
LED
LEFT RIGHT

KEF Mu3 Specifications

Audio Specifications

speaker drivers	8.2 mm
frequency range	20 - 20000 Hz
sensitivity	104 dB/1mW at 1 KHz
impedance	16 Ω
max power output	5 mW

Bluetooth Specifications

bluetooth version	5.0
codec	SBC, AAC
bluetooth power	≤13 dBm
bluetooth range	10 m
bluetooth frequency	2.402 GHz - 2.48 GHz

Battery

li-ion rechargeable battery	55 mAh (earbud), 500 mAh (charging case)
battery play time (earbud)	9 hrs (BT + ANC on)
battery play time (charging case)	15 hrs
fast charging for 5 mins	1 hr battery play time

Operating Environment

operating temperature	-10°C to 45°C
power input	DC 5 V 600 mA

Weight and Dimensions

dimension (earbud)	24.5 x 17.5 x 26.3 mm
dimension (charging case)	33.5 x 62 x 52 mm
weight (earbud)	5.8 g
weight (charging case)	46.8 g