Feel like you're at the center of sound with soundcore Liberty 4 Noise Cancelling Wireless Earbuds by Anker. These true wireless earbuds have a built-in gyroscope that detects every tiny movement so sound always surrounds you. Immerse yourself in sound and hear every detail with 360° spatial audio, dual dynamic drivers, and an advanced acoustic system. Liberty 4 earbuds have brand new features like an in-ear heart rate sensor and flexible, dual-layered Cloud Comfort ear tips for all-day comfort. Hear ID active noise cancelling automatically adjusts the noise cancelling for different noise levels around you, and customizable EQ settings allow you to experience personalized sound. With 28 hours of total playtime, soundcore by Anker Liberty 4 noise cancelling earbuds provide all-day listening.