Bang & Olufsen Beoplay E4 In-ear Wired 20 hrs Black
Bose QuietComfort 20 16hrs In-ear White
Match RatingMatch RatingMatch Rating
Wired
Apple iOS (headphone port)
PC or Mac
Use With Headphone Amp
MP3 Player
Musical Instrument
Commuting
Taking Flights
Train Journeys
Nintendo Wii U Compatible
Nintendo Switch Compatible
Xbox One Compatible
PS4 Compatible
PS Vita Compatible
Nintendo 3DS Compatible
Audio Books
Music
Video Content (Netflix, YouTube, TV)
Radio
Gaming
Podcasts
In-Ear
Making Phone Calls

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Technical Specifications

3.5mm Connector 1 mm 1 mm
AC Adapter Included Yes -
Acoustic System Name Closed Back Closed Back
Battery Life (max) 20 hours 16 hours
Battery Recharge Time 2.5 hours 2 hours
Battery Technology Lithium-Ion (Li-Ion) Lithium-Ion (Li-Ion)
Battery Type Built-in battery -
Cable Length 1.3 m 1.3 m
Cables Included Micro-USB USB
Carrying Case - Yes
Charging Source USB USB
Colour of Product Black Black
Connectivity Technology Wired Wired
Continuous Audio Playback Time 20 hours -
Depth 30 mm -
Driver Unit Size 10.8 cm -
Ear Coupling In-ear In-ear
Ear Coupling - In-ear Yes Yes
Ear Hook present - Yes
Ear Hook Type - Fin - Yes
Extra Earbuds Yes Yes
Headphone Frequency 20 - 16000 Hz -
Headphone or Headset Mobile headset Mobile headset
Headset Type Dual-ear Dual Ear
Height 23 mm -
Microphone Number 1 1
Multi-function Control - Position On cable On cable
Multi-function Control - Type Digital Digital
Multi-function Control Present Yes Yes
Noise Cancelling Yes Yes
Noise Reduction - Yes
Pouch Yes -
Rechargeable Yes Yes
Replaceable Ear Pads Yes Yes
Smart Assistant Button (Siri, Google) - Yes
USB Connectivity Yes Yes
USB Port - Micro Yes Yes
USB Port - Type Micro Micro
Voice Activated Smart Assistant (e.g. "Ok Google") - Yes
Volume Control Present Yes Yes
Volume Control Type Button Button
Wearing Style In-ear Ear-hook, In-ear
Weight 50 g 43 g
Width 20 mm -

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