7-Sensor Precise
Noise Cancelling
Liberty 4 Pro noise cancelling earbuds boast 7 sensors—6 sound sensors
and 1 barometric pressure sensor—to capture noise from every angle.
From planes to trains, enjoy a serene journey with 3× stronger noise reduction.

3× Stronger
Noise Reduction
Find your oasis of calm even in bustling city life and crowded flights. Six sound sensors, one barometric sensor, and a real-time algorithm ensure up to 3× stronger¹ noise cancellation.

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.

Hi-Fi Sound
with Rich Detail
Feature the enhanced ACAA acoustic architecture, a 10.5mm bass
driver, a titanium-coated tweeter, and a digital crossover for peak
driver performance. Indulge in crisp, full-bodied sound perfected
with nuances.