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Samsung Galaxy Buds4 vs Anker soundcore AeroFit 2 Pro

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

SamsungGalaxy Buds4Anker soundcoreAeroFit 2 Pro
Overview
ReleasedMarch 2026January 2026
Sound
TypeOpen-earOpen-ear
Noise cancellingYesYes
Transparency modeYes–
Spatial audio with head trackingYesYes
Driver size11 mm11.8 mm
Bluetooth codecsSBC, AAC, LC3 and Samsung Seamless CodecSBC, AAC and LDAC
DriversSingle 11 mm wide-range speaker in each earbud11.8 mm composite drivers
Noise cancelling detailAdaptive ANC and Adaptive EQ adjust to the ear shape and fit; Ambient sound modeAdaptive ANC 3.0 operates in the Focus form at ear-hook positions 4 and 5. Open-ear Awareness form uses positions 1 and 2; noise cancellation and fit depend on ear shape.
Audio featuresSamsung Seamless Codec UHQ carries up to 24-bit/96 kHz audio with supported Galaxy phones and tablets running One UI 6.1.1 or later; 360 Audio with head tracking on supported Galaxy devices; nine-band equaliser; LE Audio and AuracastHearID custom EQ and app EQ presets; spatial audio with head tracking. LDAC requires a compatible Android source.
Battery
Listening time (maker's claim)Up to 5 hoursUp to 5 hours
With the caseUp to 24 hoursUp to 24 hours
Wireless chargingYesYes
Battery life detailUp to 6 hours per charge and 30 hours with the case with ANC off; talk time up to 3.5 hours with ANC on (18 hours with the case) or 4 hours with ANC off (20 hours with the case); 45 mAh earbud and 515 mAh case batteries (typical)Maker FAQ at 50% volume: up to 5 hours with ANC and 24 hours including case, or 7 hours in open-ear form and 34 hours including case. With LDAC, about 3 hours with ANC or 6 hours open-ear. Calls at 60% volume: about 4 hours in either form. Main figures use ANC on.
Charging caseTranslucent lid; USB-C and wireless charging; 51 × 51 × 28.3 mmUSB-C and Qi wireless charging. Each earbud: 60 mAh, about one hour to charge. Case: 750 mAh, about two hours wired or four hours wirelessly; wireless charging maximum 3 W (maker FAQ).
Fast charging–Ten minutes charging earbuds provides up to 3.5 hours playback; no fast-charging claim for the case.
Design
Weight (each earbud)4.6 g10.4 g
Water and sweat resistanceIP54IP55
Bluetooth6.16.1
Two devices at once–Yes
ControlsPinch the stem for playback and calls; swipe for volume; configurable Head Gestures with supported Galaxy devicesCustomisable physical button controls and case pairing/reset button. No wearing detection.
MicrophonesThree digital microphones per earbud, six in total; Voice Pickup Unit and Super Wideband calls with supported Galaxy devicesFour microphones with AI call-noise reduction
Fit and ear tipsOpen fit without silicone ear tips; earbud dimensions 30.5 × 18.3 × 19.3 mmFive adjustable ear-hook positions. Maker specifies the ANC form for an ear bowl wider than 16 mm; an ear bowl of 16 mm or less may not support ANC form and should use open-ear form. Each earbud weighs 10.4 g (UK maker).
Case weight45.1 g88.2 g (UK maker)
Water resistance detailEarbuds are IP54; the charging case has no stated IP ratingIP55 applies to earbuds; maker FAQ states the charging case is not water-resistant. Not for swimming or diving.
Works withBluetooth audio on iOS and Android; advanced settings need Android 12 or later with at least 1.5 GB of memory, through Galaxy Wearable or built-in One UI settings; Auto Switch works between supported Galaxy devicessoundcore app, two-device connection and single-earbud use. Current AI Translation requires app 3.8.7 or later and a network connection. LDAC is not available on iOS.
ColoursBlack and WhiteBlack, Purple, White and Blue on the current UK maker page.
In the boxEarbuds, charging case and Quick Start Guide; no USB-C cable–

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