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Sony WF-C510 vs Anker soundcore AeroFit 2

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

Better figure, where one is clearly better

SonyWF-C510Anker soundcoreAeroFit 2
Overview
ReleasedSeptember 2024October 2024
Sound
TypeIn-earOpen-ear
Noise cancellingNoNo
Transparency modeYes–
Driver size6 mm–
Bluetooth codecsSBC and AACSBC, AAC and LDAC
Drivers6 mm driver20 × 11.5 mm racetrack drivers with BassTurbo acoustic structure; rectangular dimensions retained rather than treating one axis as diameter.
Noise cancelling detailNo active noise cancelling; Ambient Sound Mode with Voice focus–
Audio featuresDSEE upscaling; 360 Reality Audio; custom equaliser in the appApp EQ, presets and spatial audio. LDAC requires a compatible source; it does not provide the same codec on iOS.
Battery
Listening time (maker's claim)Up to 11 hoursUp to 10 hours
With the caseUp to 22 hoursUp to 42 hours
Wireless chargingNoYes
Battery life detailUp to 11 hours with Ambient Sound Mode off (AAC), 8 hours with it on; with SBC, 9 hours off or 7 hours on; 22 hours with the case with Ambient Sound Mode, DSEE and the custom equaliser off; talk time up to 5 hoursMaker FAQ: about 10 hours music at 50% volume and 42 hours including case; about 8 hours calls at 50% volume. UK introduction says 35 hours with case, but its spec table, exact FAQ and maker launch release agree on 42; 42 retained. Settings, codec and volume affect use.
Charging caseUSB-C; about 3 hours to fully charge the case and earbuds, 1.5 hours for the earbuds aloneUSB-C and wireless charging; 750 mAh case, about two hours for a full charge. Each earbud 70 mAh, about one hour to charge (maker FAQ).
Fast charging5 minutes of charging gives about 1 hour of playbackTen minutes charging earbuds provides up to four hours playback; fast charging is not claimed for the case.
Design
Weight (each earbud)4.6 g10 g
Water and sweat resistanceIPX4IP55
Bluetooth5.35.4
Two devices at onceYesYes
ControlsA button on each earbud (by default the left turns Ambient Sound Mode on or off and presses four or more times lower the volume; the right plays and pauses, skips tracks, raises the volume and holds for the voice assistant; press twice on either to answer or end calls), reassignable in the app; Quick Access for Spotify TapCustomisable touch controls; volume control disabled by default, can be enabled in the app. No wearing detection. Case pairing/reset button.
MicrophonesA microphone on each earbud for callsFour microphones with AI call-noise reduction
Fit and ear tipsHybrid silicone rubber earbud tips in SS, M and LL (M fitted); either earbud can be used on its ownNon-sealing open-ear fit with four-level adjustable ear hooks UK maker table states 10 g, identified per earbud by the exact HIFI.DE review; SoundGuys gives 8 g, so maker figure retained.
Case weightAbout 31 g–
Water resistance detailIPX4 for the earbuds, excluding the sound outlet; the charging case is not water resistantIP55 applies to earbuds; maker FAQ states charging case is not waterproof. Not for swimming or diving.
Works withSony | Sound Connect app (formerly Headphones Connect) for iOS and Android; multipoint connection to two devices; Google Fast Pair and Microsoft Swift Pair; Bluetooth 5.3 Class 1, about 10 m range; A2DP, AVRCP, HFP and HSPsoundcore app; two-device connection and single-earbud use. Current AI Translation requires app 3.8.7 or later and latest earbud firmware; this is a later feature, absent from the 2024 review software. UK store also offers a separate AI Assistant style; this entry describes the basic A3874 model.
ColoursBlack, White, Blue, YellowLaunch Black, White, Minty Green and Abyss Blue; blue shipping planned later in 2024. Current UK labels Midnight, Champagne Mist, Jungle Green and Light Blue.
In the boxEarbuds, charging case, hybrid silicone rubber earbud tips in SS, M and LL, documents (no USB cable)–

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