Apple AirPods 4 vs Anker soundcore AeroFit 2

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AirPods 4 compared with AeroFit 2

	AppleAirPods 4	Anker soundcoreAeroFit 2
Overview
Released
Released	September 2024	October 2024
Sound
Type
Type	Open-ear	Open-ear
Noise cancelling
Noise cancelling	No	No
Transparency mode
Transparency mode	No	–
Spatial audio with head tracking
Spatial audio with head tracking	Yes	–
Bluetooth codecs
Bluetooth codecs	SBC and AAC	SBC, AAC and LDAC
Lossless over USB-C
Lossless over USB-C	No	–
Chip
Chip	H2	–
Drivers
Drivers	Custom high-excursion Apple driver and custom high dynamic range amplifier	20 × 11.5 mm racetrack drivers with BassTurbo acoustic structure; rectangular dimensions retained rather than treating one axis as diameter.
Audio features
Audio features	Personalised Spatial Audio with dynamic head tracking; Adaptive EQ; Voice Isolation; lossless audio with Apple Vision Pro	App 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)
Listening time (maker's claim)	Up to 5 hours	Up to 10 hours
With the case
With the case	Up to 30 hours	Up to 42 hours
Wireless charging
Wireless charging	No	Yes
Battery life detail
Battery life detail	–	Maker 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 case
Charging case	Charging Case (USB-C), charged by USB-C cable only	USB-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 charging
Fast charging	5 minutes in the case gives around 1 hour of listening	Ten minutes charging earbuds provides up to four hours playback; fast charging is not claimed for the case.
Design
Weight (each earbud)
Weight (each earbud)	4.3 g (better)	10 g
Water and sweat resistance
Water and sweat resistance	IP54	IP55
Bluetooth
Bluetooth	5.3	5.4
Two devices at once
Two devices at once	–	Yes
Controls
Controls	Force sensor on the stems (press once to play, pause or answer a call; twice to end a call or skip forward; three times to skip back; press and hold for Siri); “Hey Siri” or just “Siri”; Siri Interactions by nodding or shaking your head	Customisable touch controls; volume control disabled by default, can be enabled in the app. No wearing detection. Case pairing/reset button.
Microphones
Microphones	Dual beamforming microphones and an inward-facing microphone; speech-detecting accelerometer	Four microphones with AI call-noise reduction
Fit and ear tips
Fit and ear tips	Open-ear design with no ear tips	Non-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 weight
Case weight	32.3 g	–
Water resistance detail
Water resistance detail	IP54 (IEC 60529) for the AirPods and charging case	IP55 applies to earbuds; maker FAQ states charging case is not waterproof. Not for swimming or diving.
Works with
Works with	Full features with iPhone, iPad, Mac, Apple Watch, Apple TV and Apple Vision Pro on the latest software; works as Bluetooth headphones with other devices, with limited features	soundcore 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.
Colours
Colours	White	Launch 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 box
In the box	AirPods 4 and Charging Case (USB-C), documentation; USB-C cable sold separately	–