Noise Cancellation: The earbuds boast 7 sensors (including 6 sound sensors and 1 barometric pressure sensor) for 3× stronger, real-time adaptive noise cancellation that adjusts to your environment every 0.3 seconds.
Connectivity: The Liberty 4 Pro uses Bluetooth 5.3 and supports multipoint connection, allowing simultaneous connection to two devices.
Battery Life & Charging: They offer up to 10 hours of playtime on a single charge (around 7.5 hours with ANC on), extendable to 40 hours with the charging case. The case charges 2× faster than previous models via USB-C or wirelessly, with a 5-minute charge providing 4 hours of playtime.
Calls: AI-enhanced clear calls are supported by 6 microphones and a noise reduction algorithm.