Soundcore Liberty 4 NC Complete Specifications

The Soundcore Liberty 4 NC by Anker is a true wireless earbud set featuring adaptive active noise cancellation, LDAC high-resolution audio support, and a built-in heart rate monitor. This page covers the complete technical specifications for the Liberty 4 NC.

Overall Rating

Soundcore Liberty 4 NC — 9.0 / 10 — Best-in-class feature set under $80. LDAC, wireless charging, and effective ANC at a price that makes premium earbuds look expensive.

Full Specifications

Audio

Driver	10mm dynamic driver (BassUp™ tuned)
Frequency Response	20Hz – 20kHz
Audio Codecs	LDAC (hi-res), AAC, SBC
Hi-Res Certification	Hi-Res Audio Wireless (LDAC)

Active Noise Cancellation

ANC Type	Adaptive ANC (adjusts to environment)
Noise Reduction	Up to 98.5% (claimed)
ANC Modes	Active Noise Cancelling, Transparency, Normal
ANC Customization	Via Soundcore app (adjustable intensity)

Wireless & Connectivity

Bluetooth Version	5.3
Wireless Range	~10m (33ft) typical
Multipoint	Yes — 2 devices simultaneously
Connection Type	True Wireless (TWS)

Battery

Earbud Battery (ANC off)	9 hours
Earbud Battery (ANC on)	7 hours
Total Battery (ANC off)	35 hours (with case)
Total Battery (ANC on)	28 hours (with case)
Fast Charge	10 min charge = 2 hours playback

Charging

Case Charging	USB-C
Wireless Charging	Yes — Qi compatible
Charging Time (buds)	~1.5 hours
Charging Time (case via USB)	~2.5 hours

Sensors & Microphones

Microphones	6 microphones (3 per earbud)
In-Ear Detection	Yes — auto-pause on removal
Heart Rate Monitor	Yes (optical PPG sensor)
Touch Controls	Yes — customizable via Soundcore app

Physical

IP Rating	IPX4 (splash and sweat resistant)
Earbud Weight	~5.1g per earbud
Case Weight	~38g
Colors	Black, White, Pink
Fit Type	In-ear (silicone tips, multiple sizes included)

App & Compatibility

Companion App	Soundcore (iOS and Android)
EQ	Customizable via app (22-band, presets available)
Firmware Updates	OTA via Soundcore app
Voice Assistant	Yes (Siri, Google Assistant)

In the Box

Included

Earbuds, charging case, USB-C cable, ear tips (3 sizes), user manual

Warranty

Warranty

18 months (Anker/Soundcore)

Where to Buy

See Also

• Soundcore Liberty 4 NC In-Depth Review
• Best Bluetooth Earbuds