The Anker Soundcore Liberty 4 Pro features include Bluetooth 5.3 with LDAC support, dual drivers (10.5mm + 4.6mm), and a 7-sensor Adaptive Noise Cancelling (ANC) system. Battery life is up to 10 hours on the earbuds and 40 hours with the charging case, with quick charging providing 4 hours of playback from a 5-minute charge. The earbuds are IPX5 water-resistant and include a 6-microphone array for calls.
Audio and sound
Drivers: Dual dynamic drivers (10.5mm + 4.6mm)
ACAA 3.0: Custom high-fidelity driver with a titanium-coated tweeter and digital crossover
Frequency Response: 14 Hz to 40 kHz
Noise Cancellation: 7-sensor Adaptive Noise Cancelling (ANC) with real-time adaptation and a barometric pressure sensor for flights
Spatial Audio: Supported
Sound Modes: HearID 4.0 customized EQ
Connectivity
Bluetooth: Version 5.3
Codec Support: SBC, AAC, LDAC
Multipoint Support: Yes, with automatic takeover
Wireless Range: 32.8′ / 10 m
Battery and charging
Earbud Runtime:
Up to 10 hours (ANC off)
Up to 7.5 hours (ANC on)
Case Runtime: Up to 40 hours total playtime with charging case
Quick Charge: 5 minutes for 4 hours of playtime
Charging Input: USB-C
Wireless Charging: Yes
Microphones and calls
Microphones: 6 mics with AI noise reduction for clear calls
Other specifications
Water Resistance: IPX5 (earbuds)
Weight: 5.7g per earbud; 50g with case
Controls: Built-in touch controls on earbuds and smart case with touch controls
App: Compatible with Android and iOS for settings and adjustments
Included: 6 pairs of ear tips (XXS/XS/S/M/L/XL) and a USB-C cable
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