Description
General Information
Brand
Anker
Model No
Liberty 4 Pro
Driver
10.5mm bass driver
IP Rating
IPX5
Playback Time
Up to 40 hours total
Details
Technical Specifications of Anker Soundcore Liberty 4 Pro NC TWS Earbuds
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Product Name: Anker Soundcore Liberty 4 Pro NC TWS Earbuds
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Brand: Anker Soundcore
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Model: Liberty 4 Pro
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Model Number: A3954
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Noise Cancellation:
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7 Sensors (6 sound sensors + 1 barometric pressure sensor)
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3Ã stronger noise reduction
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Real-time adaptive adjustment every 0.3 seconds
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Audio Drivers:
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Dual Driver System with ACAA acoustic architecture
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10.5mm bass driver
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Titanium-coated tweeter
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Digital crossover for optimized performance
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Audio Specifications:
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Frequency Response: 20 Hz â 20 kHz+
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Sensitivity: 126 dB
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Impedance: 8Ί
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Total Harmonic Distortion: 1%
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Codecs: LDAC, AAC, SBC
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Microphones: 6 microphones with AI noise reduction and wind noise reduction algorithm
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Battery Life:
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Earbuds: Up to 10 hours (ANC off)
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With Charging Case: Up to 40 hours total
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Earbud Battery: 56mAh each
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Case Battery: 580mAh
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Charging:
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2Ã faster charging (5C battery technology)
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5-minute charge = 4 hours playback
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USB Type-C charging
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Wireless charging supported
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Bluetooth: Version 5.3 (range: up to 20 meters)
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Water Resistance: IPX5 (sweat and water resistant)
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Special Features:
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Smart touch controls on earbuds
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Case with touch display for adjusting ANC levels
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Low latency mode
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Wireless charging case
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Weight: Lightweight design
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Compatibility: iOS and Android smartphones, tablets, and Bluetooth-enabled devices








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