Soundcore Liberty 4 Pro by Anker, Noise Cancelling Wireless Earbuds, 7-Sensor and Real-Time Adaptive Noise Cancelling, 2× Faster Charging, Studio-Level Hi-Fi Music, Clear Calls with 6 Mics and AI

Matchless Noise Cancellation: Liberty 4 Pro noise cancelling earbuds boast 7 sensors6 sound sensors and 1 barometric pressure sensorto capture noise from every angle. From planes to trains, enjoy a serene journey with 3× stronger noise reduction.
Real-Time Adaptive Noise Reduction: These noise cancelling wireless earbuds adapt to your ever-changing environment every 0.3 seconds, ensuring optimal, seamless noise reduction around the clock.
Effortless Touch Controls: The touch bar and display let you fine-tune the noise-cancelling levels of these wireless earbuds at any time with a simple swipe on the case.
Studio-Level High-Fidelity Music: Feature the enhanced ACAA acoustic architecture, a 10.5 mm bass driver, a titanium-coated tweeter, and a digital crossover for peak driver performance. Indulge in crisp, full-bodied sound perfected with nuances.
Super Fast Charging: Liberty 4 Pro noise cancelling earbuds charge 2× faster than the previous models with the 5C battery. A 5-minute recharge offers 4 hours of playtime. Enjoy up to 10 hours between charges, extendable to 40 hours with the case.
AI-Enhanced Clear Calls with 6 Mics: With a noise reduction algorithm and six mics, these wireless earbuds deliver clear calls wherever you are. Plus, a wind noise reduction algorithm ensures seamless, hassle-free communication, rain or shine.

Q&A:
What are the charging methods and times?
Charging Methods: USB-C and wireless charging.
Charging Times:
Earbuds: 1.5 hours.
Charging case: 2.5 hours with a wall charger and 3.5 hours with a wireless charger.

How long can soundcore Liberty 4 Pro run on a single charge or with the charging case?
ANC: 7.5 hr (per charge); 30 hr (with case).
Normal: 10 hr (per charge); 40 hr (with case).
Transparency: 7.5 hr (per charge); 30 hr (with case).
ANC + LDAC: 5.5 hr (per charge); 22 hr (with case).
ANC + Talk: 4 hr (per charge); 16 hr (with case).

How do I wear soundcore Liberty 4 Pro?
Experiment with different sizes of ear tips to find your best fit.
Gently press the earbuds into your ear canals and rotate them until they feel secure.
Use the Fit Test in the soundcore app to see whether the current ear tips are right for you.

How do I control Liberty 4 Pro with its case and stems?
Play/Pause Audio: Pinch either earbud stem.
Switch Modes: Tap and hold either earbud stem for 2 seconds.
Adjust Volume: Slide up or down either earbud stem.
Adjust Ambient Sound Level: Swipe on the case's touch bar.
For more, visit the soundcore app.

Are the displays on all earbud cases visible when the case is closed?
Glossy cases (blue and black) allow you to see the display when closed, while matte white cases do not.