Anker Soundcore Liberty 4 Pro ANC Earbuds

Details

Technical Specifications of Anker Soundcore Liberty 4 Pro NC TWS Earbuds

• Product Name: Anker Soundcore Liberty 4 Pro NC TWS Earbuds
• Brand: Anker Soundcore
• Model: Liberty 4 Pro
• Model Number: A3954
• Noise Cancellation:
  • 7 Sensors (6 sound sensors + 1 barometric pressure sensor)
  • 3× stronger noise reduction
  • Real-time adaptive adjustment every 0.3 seconds
• Audio Drivers:
  • Dual Driver System with ACAA acoustic architecture
  • 10.5mm bass driver
  • Titanium-coated tweeter
  • Digital crossover for optimized performance
• Audio Specifications:
  • Frequency Response: 20 Hz – 20 kHz+
  • Sensitivity: 126 dB
  • Impedance: 8Ω
  • Total Harmonic Distortion: 1%
  • Codecs: LDAC, AAC, SBC
• Microphones: 6 microphones with AI noise reduction and wind noise reduction algorithm
• Battery Life:
  • Earbuds: Up to 10 hours (ANC off)
  • With Charging Case: Up to 40 hours total
  • Earbud Battery: 56mAh each
  • Case Battery: 580mAh
• Charging:
  • 2× faster charging (5C battery technology)
  • 5-minute charge = 4 hours playback
  • USB Type-C charging
  • Wireless charging supported
• Bluetooth: Version 5.3 (range: up to 20 meters)
• Water Resistance: IPX5 (sweat and water resistant)
• Special Features:
  • Smart touch controls on earbuds
  • Case with touch display for adjusting ANC levels
  • Low latency mode
  • Wireless charging case
• Weight: Lightweight design
• Compatibility: iOS and Android smartphones, tablets, and Bluetooth-enabled devices
  
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