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Earbud comparison

OnePlus Buds 4 vs CMF Ear B171 2024

Compare sound, battery life, fit, controls and connections.

Compared products
01Selected
OnePlus Buds 4

OnePlus Buds 4

  • In-ear design uses sealing ear tips.
  • 40 g for the case.
  • Bluetooth 5.4 connection.
  • IP55 water and dust resistance.
  • Battery life: up to 11 hours per bud (ANC off.
KSh 16,000In Stock
02
CMF Ear (R) B171 2024

CMF Ear (R) B171 2024

  • In-ear design uses sealing ear tips.
  • 4.62 g per earbud.
  • Bluetooth 5.3 connection.
  • Can stay connected to two devices.
  • IP55 rating for the case.
KSh 16,500In Stock

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JBL Endurance Peak 4KSh 16,500
Soundcore Liberty 5 Pro MaxKSh 15,500
OnePlus Buds 3KSh 14,000
Google Pixel Buds A-SeriesKSh 15,500
OnePlus Buds Pro 3KSh 17,000
Sony WF-C710NKSh 14,500
JBL Endurance Peak 3KSh 15,000
2 of 4 products

Our quick verdict

The OnePlus Buds 4 is the better buy: it has better water and dust protection (IP55) and lasts longer between charges (up to 11 hours).

Weight

OnePlus Buds 4
40 g for the case
CMF Ear B171 2024
51.9 g for the case

Fit

OnePlus Buds 4
True Wireless In-Ear Earbuds
CMF Ear B171 2024
S, M and L ear tips

Connections

OnePlus Buds 4
Bluetooth 5.4
CMF Ear B171 2024
Bluetooth 5.3

Water resistance

OnePlus Buds 4
IP55 water and dust resistance
CMF Ear B171 2024
IP54 water and dust resistance

Audio

OnePlus Buds 4
Dual DACs
CMF Ear B171 2024
24-bit Hi-Res Audio

Key differences

The main differences to help you choose.

OnePlus Buds 4

  • IP55 water and dust resistance (vs IP54).
  • Longer rated battery life: up to 11 hours (vs 8.5 hours).
  • Newer Bluetooth 5.4 (vs 5.3).
  • Lower price: KSh 16,000 (vs KSh 16,500).

CMF Ear B171 2024

  • LHDC hi-res Bluetooth codec support.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityOnePlus Buds 4CMF Ear B171 2024
FitTrue Wireless In-Ear EarbudsS, M and L ear tips
Weight4.5 g per earbud4.62 g per earbud
Battery lifeUp to 11 hours per bud (ANC off, AAC)/9 hours (LHDC)Up to 8.5 hours earbuds and 40.5 hours total with ANC off
ControlsTouch: swipe for volume, taps for play/pause/track, long-press for ANC togglePinch controls
ConnectionsBluetooth 5.4Bluetooth 5.3
Water resistanceIP55 water and dust resistanceIP54 water and dust resistance

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
BrandOnePlus—
ModelBuds 4Ear (2024) (B171)
Announced20252024
TypeTrue Wireless In-Ear EarbudsTrue Wireless In-Ear Earbuds
ColorZen Green, Storm GrayBlack, White

Design

Design specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
WeightEarbud: 4.5g each; Case: 40g4.62g per earbud; 51.9g case
Dimensions—29.4 × 21.7 × 24.1 mm per earbud

Battery & Charging

Battery & Charging specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
Battery LifeUp to 11 hours per bud (ANC off, AAC)/9 hours (LHDC); Case: Up to 34 hours additional (ANC off)Up to 8.5 hours earbuds and 40.5 hours total with ANC off; 5.2 hours earbuds and 24 hours total with ANC on
Charging Time10 minutes for 11 hours (ANC off); Full charge: 1 hour for earbuds, 2 hours for case—
Charging PortUSB-C, 10 minutes for 11 hours (ANC off)USB-C (case)
Fast Charging—10 minutes provides up to 10 hours including case, ANC off
Wireless Charging—Yes (case)

Connectivity

Connectivity specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
ConnectionBluetooth 5.4, LHDC 5.0 for Hi-Res, 47ms low latency, Google Fast PairBluetooth
Bluetooth5.4 with dual-device connectionBluetooth 5.3
Multipoint Connection—Yes
App Support—Nothing X

Features

Features specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
Special FeaturesDual DACs; Hi-Res Audio; Golden Sound personalizationActive Noise Cancellation + Hi-Res Audio
Sensors—In-ear detection

Audio

Audio specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
Drivers11mm woofer (30-layer ceramic-metal) + 6mm tweeter (flat diaphragm) per earbud11mm ceramic dynamic driver
Frequency Response20Hz – 40kHz (with LHDC)—
Active Noise CancellationAdaptive ANC up to 55dB, real-time adjustment, Transparency ModeUp to 45dB ANC
Microphones3 per earbud (feed-forward, talk, feed-back) with AI clear callsThree microphones per earbud
Audio FeaturesDual DACs, Hi-Res Audio, OnePlus 3D Audio with head tracking, Golden Sound personalization, BassWave, Sound Master EQ24-bit Hi-Res Audio
Audio Codecs—LHDC 5.0, LDAC, AAC, SBC
Transparency / Ambient Mode—Yes

Charging Case

Charging Case specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
Case TypeCharging caseCharging case
Case Battery LifeIncluded in the total battery-life figures aboveIncluded in the total battery-life figures above
Case ChargingUSB-CUSB-C
Case Charging PortUSB-CUSB-C
Case Weight40g51.9g
Case FeaturesProtective charging caseProtective charging case
Case Dimensions—55.5 × 55.5 × 22 mm
Case Water & Dust Resistance—IP55

Design & Controls

Design & Controls specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
ControlsTouch: swipe for volume, taps for play/pause/track, long-press for ANC togglePinch controls
Water & Dust ResistanceIP55 (earbuds)IP54 earbuds; IP55 case
Ear Tips / Ear Cushions—S, M and L ear tips

What's in the Box

What's in the Box specifications comparison
SpecificationOnePlus Buds 4CMF Ear (R) B171 2024
Headphones / EarbudsBuds 4 earbudsEar (2024) (B171) earbuds
Charging CaseCharging caseCharging case
Charging CableUSB-C charging cableUSB-C charging cable
Audio CableTrue wireless designTrue wireless design
Ear Tips / AccessoriesEar tips/accessories supplied for the product designEar tips/accessories supplied for the product design
DocumentationQuick start and safety documentationQuick start and safety documentation

Similarities

  • Both have active noise cancellation.
  • Both have an ambient mode to hear your surroundings.
  • Both charge over USB-C.
  • Both connect over Bluetooth.
  • Both use 11 mm drivers.
  • Both use IP55 (water & dust resistance).

In summary

The OnePlus Buds 4 is the better buy for almost everyone, with better water and dust protection and longer battery life.

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