Description
The Anker Soundcore Liberty 4 Pro (A3954H21) wireless earbuds offer a premium audio experience with advanced features tailored for both audiophiles and everyday users. Featuring dual dynamic drivers, adaptive noise cancellation, and 360° spatial audio, these earbuds deliver rich, immersive sound. With a comfortable fit and long-lasting battery life, they're perfect for daily use, travel, and workouts.
Key Features
-
Dual Dynamic Drivers: 10.5mm bass driver and 4.6mm titanium-coated tweeter for balanced sound.
-
Adaptive Noise Cancellation: 7-sensor system, including a barometric pressure sensor, adjusts noise cancellation in real-time.
-
360° Spatial Audio: Immersive sound experience with head-tracking technology.
-
Long Battery Life: Up to 10 hours of playback (ANC off), 7.5 hours (ANC on), with an additional 30–40 hours via the charging case.
-
Fast Charging: 5 minutes of charging provides up to 4 hours of playback.
-
Bluetooth 5.3: Stable connection with multipoint pairing for seamless device switching.
-
Hi-Res Audio Support: Supports LDAC, AAC, and SBC codecs for high-fidelity wireless sound.
-
Smart Charging Case: Touch-sensitive display for quick control and status updates.
-
Water Resistance: IPX5-rated earbuds resist sweat and water, suitable for workouts.
Specifications
-
Model: A3954H21
-
Driver Setup: 10.5mm bass driver + 4.6mm titanium-coated tweeter
-
Frequency Response: 14 Hz – 40 kHz
-
Impedance: 15.3 Ohms
-
Battery Capacity:
-Earbuds: 56 mAh each
Charging Case: 580 mAh
-
Charging Time:
-Earbuds: Approximately 40 minutes
-Charging Case: Approximately 2.5 hours
-
Connectivity: Bluetooth 5.3
-
Audio Codecs: LDAC, AAC, SBC
-
Water Resistance: IPX5 (earbuds only)
-
Included Accessories: USB-C charging cable, multiple sizes of ear tips (XXS to XL)
