Key Features  Advanced Adaptive Active Noise Cancellation with 7-sensor system 3× stronger noise reduction with real-time adjustment every 0.3 seconds Dual Driver System with ACAA acoustic architecture for balanced sound Powerful 10.5mm bass driver with titanium-coated tweeter Hi-Res Audio support with LDAC codec Six microphones with AI noise reduction and wind noise reduction Up to 10 hours playback on earbuds (ANC off) Up to 40 hours total battery life with charging case Ultra-fast charging: 5 minutes = up to 4 hours playback Wireless charging supported Smart touch controls on earbuds Charging case with touch display for ANC level control Low latency mode for gaming and video Bluetooth 5.3 with up to 20-meter range IPX5 water and sweat resistance Lightweight and ergonomic design for all-day comfort Technical Specifications Product Name: Anker Soundcore Liberty 4 Pro NC TWS Earbuds Brand: Anker Soundcore Model: Liberty 4 Pro Model Number: A3954 Noise Cancellation 7 sensors total (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 dynamic bass driver Titanium-coated tweeter Digital crossover for optimized sound separation Audio Specifications Frequency Response: 20 Hz – 20 kHz+ Sensitivity: 126 dB Impedance: 8Ω Total Harmonic Distortion (THD): 1% Bluetooth & Codecs Bluetooth Version: 5.3 Range: Up to 20 meters Audio Codecs: LDAC, AAC, SBC Microphones 6 microphones AI noise reduction Wind noise reduction algorithm Battery & Charging Earbud Battery Capacity: 56mAh (each) Charging Case Battery: 580mAh Earbuds Playback: Up to 10 hours (ANC off) Total Playback with Case: Up to 40 hours Fast Charging: 5 minutes = 4 hours playback Charging Technology: 5C battery (2× faster charging) Charging Port: USB Type-C Wireless Charging: Supported Design & Durability Water Resistance: IPX5 Controls: Smart touch controls on earbuds Case Feature: Touch display for ANC adjustment Weight: Lightweight construction Compatibility iOS and Android smartphones Tablets All Bluetooth-enabled devices Product DescriptionThe Soundcore Liberty 4 Pro NC True Wireless Earbuds deliver flagship-level performance with intelligent adaptive noise cancellation, dual-driver sound architecture, and premium connectivity features. Powered by a 7-sensor ANC system, the earbuds adjust noise reduction in real time every 0.3 seconds for a consistently immersive listening experience.The ACAA dual-driver setup, combining a 10.5mm bass driver and titanium-coated tweeter, ensures deep bass, crisp highs, and precise audio separation. Support for LDAC Hi-Res Audio elevates sound quality for compatible devices. With fast charging, wireless charging support, smart touch controls, and a unique case touch display, the Liberty 4 Pro is built for power users who want premium sound, convenience, and comfort in a sleek, lightweight design...