Liberty 4 NC

Released June 2023

Noise-cancelling stem earbuds with LDAC, personalised EQ, two-device Bluetooth and a wireless charging case.

Type: In-ear
Noise cancelling: Yes
Battery: 8 h
With case: 40 h
Best codec: LDAC
Weight: –

What reviewers say

Both find long battery life, useful sound customisation and good value. Their ANC and fit experiences differ, with SoundGuys finding strong cancellation and few readjustments, while Tom's Guide reports weak cancellation and slipping earbuds. Tom's Guide enjoys the balanced default sound but encounters buggy multipoint; SoundGuys finds bass and treble exaggerated and many presets too bassy.

From soundguys.com and tomsguide.com

Specifications

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Sound

Type: In-ear
Noise cancelling: Yes
Transparency mode: Yes
Driver size: 11 mm
Bluetooth codecs: SBC, AAC and LDAC
Drivers: 11 mm custom-tuned drivers with a curved design
Noise cancelling detail: Adaptive ANC 2.0 responds to ear fit and surroundings; manual cancellation, transportation modes and wind-noise reduction. The UK page's unlabelled specification cards instead describe an open-ear model; the exact Liberty 4 NC description, comparison column and FAQ control
Audio features: HearID 2.0, 22 presets and adjustable EQ; SBC and AAC are confirmed by SoundGuys and Tom's Guide. Low-latency gaming mode and 3D Surround Sound are described by the reviews
Hearing health: Safe Volume monitoring and an optional limit in the soundcore app (SoundGuys)

Battery

Listening time (maker's claim): Up to 8 hours
With the case: Up to 40 hours
Wireless charging: Yes
Battery life detail: Up to eight hours with ANC or Transparency, 40 including the case; Normal mode gives ten and 50 hours. LDAC with ANC gives five and 25 hours, or six and 30 without ANC. Maker testing uses 50% volume; SoundGuys lists a June 2023 release
Charging case: USB-C and wireless charging; earbuds take around 1.5 hours to recharge, case around three hours by cable or 3.5 wirelessly
Fast charging: Ten minutes of charging provides up to four hours of playback

Design

Water and sweat resistance: IPX4
Bluetooth: 5.3
Two devices at once: Yes
Controls: Customisable taps and long presses with wearing detection for automatic playback pause/resume; case pairing button
Microphones: Six beamforming microphones with AI call-noise reduction
Fit and ear tips: Four sizes of silicone ear tips and app Fit Test; SoundGuys lists 5.7 g for each earbud, while the current UK maker page publishes no weight
Case weight: 1.53 ounces according to Tom's Guide
Water resistance detail: IPX4 applies to the earbuds; no case water-resistance rating is published
Works with: Two-device Bluetooth, disabled when LDAC is enabled; LDAC requires Android 8.0 or later and a firmware update. Google Fast Pair on Android (SoundGuys)
Colours: Velvet Black, Clear White, Navy Blue, Pastel Pink and Light Blue
In the box: Earbuds, charging case, four ear-tip sizes and USB-A to USB-C cable (SoundGuys)