Acefast Acefit Air vs UGREEN HiTune S3: which should you buy?

On aggregated review scores the Acefast Acefit Air comes out ahead with a HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Acefast Acefit Air - Great overall at around $22.

Open-Ear

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Acefast Acefit Air leads on 5 of 6 measures.

Acefast Acefit Air
UGREEN HiTune S3

HearWiki score

Sound

7.0

5.8

Battery

5.4

6.9

Calls

6.8

5.9

Value

9.3

7.8

Price (USD)

$22

$25

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

The Acefast Acefit Air is 3 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. The platform is level; the newer hardware shows up in convenience features instead - the Acefast Acefit Air adds Custom EQ, Companion app and Water resistance IP54 against IPX5. For 3 years between them, that is a thin return - treat this as a restyle rather than a new platform.

Acefit Air20253 yr newer
HiTune S32022

What differsAcefit AirHiTune S3

Custom EQ: Yes; No
Companion app: Yes; No
Water resistance: IP54; IPX5

Level on: Bluetooth, Top codec, Multipoint pairing, USB-C.

Specifications

Acefit AirHiTune S3

Type: Open-Ear; Open-Ear
Price (USD): $22; $25
HearWiki score: 78; 60
Released: 2025; 2022
Availability: Sold new; Still sold new
Driver: 20 mm dynamic; 12 mm dynamic
Driver type: dynamic; dynamic
Driver size: 20 mm; 12 mm
Drivers per side: 1; 1
Frequency response: 50 Hz - 20 kHz; 20 Hz - 20 kHz
Impedance: 32 Ω; 32 Ω
Sensitivity: 90 dB/mW; -
Bluetooth: 5.4; 5.4
Codecs: SBC, AAC; SBC, AAC
Multipoint pairing: Yes; Yes
Latency: -; 60 ms
Wireless range: 10 m; 10 m
Battery life: 6 h; 7.5 h
Battery incl. case: 25 h; 30 h
Full charge time: 60 min; 90 min
Quick charge: 10 min → 2 h; 15 min → 2 h
Wireless charging: No; No
Active noise cancelling: No; No
ANC type: -; none
Transparency mode: -; Yes
Companion app: Yes; No
Custom EQ: Yes; No
Wear detection: -; No
Controls: touch; touch
Voice assistant: -; Yes
Weight: -; 5.3 g
Water resistance: IP54; IPX5
USB-C: Yes; Yes
Microphones: 4; 2
Call noise reduction: -; Yes
Call NR technology: -; AI ENC

Specification comparison of Acefast Acefit Air vs UGREEN HiTune S3
Spec	Acefast Acefit Air	UGREEN HiTune S3
Type	Open-Ear	Open-Ear
Price (USD)	$22	$25
HearWiki score	78 / 100 Great	60 / 100 Average
Released	2025	2022
Audio
Driver	20 mm dynamic	12 mm dynamic
Driver type	dynamic	dynamic
Driver size	20 mm	12 mm
Drivers per side	1	1
Frequency response	50 Hz - 20 kHz	20 Hz - 20 kHz
Impedance	32 Ω	32 Ω
Sensitivity	90 dB/mW	-
Wireless
Bluetooth	5.4	5.4
Codecs	SBC, AAC	SBC, AAC
Multipoint pairing	Yes	Yes
Latency	-	60 ms
Wireless range	10 m	10 m
Battery
Battery life	6 h	7.5 h
Battery incl. case	25 h	30 h
Full charge time	60 min	90 min
Quick charge	10 min → 2 h	15 min → 2 h
Wireless charging	No	No
Features
Active noise cancelling	No	No
ANC type	-	none
Transparency mode	-	Yes
Companion app	Yes	No
Custom EQ	Yes	No
Wear detection	-	No
Controls	touch	touch
Voice assistant	-	Yes
Design
Weight	-	5.3 g
Water resistance	IP54	IPX5
USB-C	Yes	Yes
Calls
Microphones	4	2
Call noise reduction	-	Yes
Call NR technology	-	AI ENC

What reviewers said

Acefast Acefit Air

The Acefast Acefit Air offers a sleek, comfortable open-ear design that stays secure during workouts, making it a strong budget pick for sports and everyday use. While the sound is decent for the price, it lacks the engagement needed for intense exercise, especially in windy conditions, and skips premium extras like ANC and wireless charging. Overall, it's a practical, affordable option for those prioritizing awareness and fit over immersive audio.

Pro:Very comfortable and secure fit for sports
Pro:Sleek, lightweight open-ear design
Pro:Good value for budget buyers

Con:Sound lacks engagement, especially in wind
Con:No ANC or wireless charging
Con:Not ideal for noisy environments

UGREEN HiTune S3

The UGREEN HiTune S3 is a budget-friendly open-ear wireless earbud that prioritizes comfort, situational awareness, and practical features over audiophile-grade sound. With a lightweight 5.3g design, Bluetooth 5.4 multipoint, and low-latency game mode, it suits everyday casual listening, though its sound quality and volume are limited by the open-ear form factor. It offers solid battery life and IPX5 sweat resistance, making it a good value pick for those seeking affordable, all-day wear.

Pro:Very lightweight and comfortable for extended wear
Pro:Open-ear design keeps you aware of surroundings
Pro:Bluetooth 5.4 with multipoint and low-latency game mode

Con:Sound quality is weak, especially bass and max volume
Con:No companion app for EQ or sound adjustment
Con:Not designed for high-end audio performance

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

Compare something else

Swap either side out, or start again from the picker.

New comparison Acefast Acefit Air UGREEN HiTune S3