Liberty 4 Blue All-new truly wireless in-ear headphones with superior sound and surround sound Clear, crisp sound Our enhanced ACAA 3.0 technology uses two dynamic drivers to deliver clear, crisp sound. Exceptional efficiency Two dynamic drivers aligned on the same axis deliver high-resolution sound with 3 times better clarity* in LDAC mode. * Compared to SBC and AAC codecs. Hear stunning detail With a wide soundstage, you'll hear every detail, from deep, punchy bass to shimmering highs. Be amazed Superior sound quality lets you rediscover your favourite tracks and create new musical memories. Tuned to your heart's content The in-ear heart rate sensor detects your heartbeat while listening throughout the day. Enhanced detection The headphones have a built-in sensor that prevents interference from sunlight and liquids for superior heart rate tracking*. *Warning: the soundcore Liberty 4 in-ear headphones and the associated Soundcore app are not intended for medical purposes, including self-diagnosis and medical consultations. They may only be used for general fitness and wellness use. Before using the heart rate sensor for the first time, make sure you first activate it in the Soundcore app. The sensor is located in the right earpiece, so make sure you have it in your ear when using this feature. A red light appears when measuring blood oxygen. Unparalleled comfort The dual-layer design relieves pressure on the ear canals for unparalleled comfort throughout the day. Incredibly immersive sound Music and Movie modes put you right in the centre of the sound for an immersive 360° listening experience. Sound tuned to you Create your own HearID sound character and use the customisable EQ settings to enjoy personalised sound. Adapt to noise levels The HearID ANC system automatically adjusts noise reduction to the different noise levels around you. A soundtrack for the day Charge the Liberty 4 case using the wireless charger or USB-C cable. With the case, the headphones' runtime is extended to 28 hours, while a 15-minute charge can give you up to 3 hours of listening. Hassle-free switching Connect the Liberty 4 to your phone and laptop at the same time to switch between music, movies, calls and more. Exceptional call clarity 6 microphones and a noise cancellation algorithm filter out background noise and amplify your voice in real time, so you can be heard clearly. Convenient personalisation Access transparency mode, adjust the pressure control to suit your listening style and enjoy calming white noise when you want to relax or concentrate on tasks.
