Completely true wireless earbuds with great sound and surround sound and adaptive ANC. Enhanced ACAA 3.0 technology utilises two dynamic drivers to deliver clean and clear sound. Two dynamic drivers positioned on the same axis deliver high-resolution audio with three times the clarity* in LDAC mode. *Compared to SBC and AAC codecs. With a wide soundstage, you'll hear every detail, from deep, punchy bass to sparkling highs. The highest sound quality allows you to discover your favourite tracks and create musical memories. The in-ear heart rate sensor recognises your heart rate as you listen throughout the day.

The headphones have an integrated sensor that prevents interference from sunlight and liquids for excellent heart rate measurement. Warning: Soundcore Liberty 4 in-ear headphones and the associated Soundcore app are not intended for medical use, including self-diagnosis and medical advice. They are to be used for general fitness and wellness purposes only. Before using the heart rate monitor for the first time, make sure you first activate it in the Soundcore app. The sensor is located in the right earbud. Therefore, make sure you have it in your ear when using this function. A red light appears when the blood oxygen level is measured. Unrivalled comfort. The dual-layer design relieves pressure on the ear canals and provides unrivalled all-day comfort. Incredibly immersive sound. The music and film modes put you right in the middle of the sound for an immersive 360° listening experience. Sound customised to you. Create your own HearID sound character and use customisable EQ settings to enjoy a personalised sound experience.