• IPX4 Water and Sweat Resistance.
• Smart Sensors.
• Spatial Audio.

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 gyro 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. soundcore by Anker- Liberty 4 SE Earbuds True Wireless ACAA Headphones, IPX4, Spatial Audio, Heart Rate Tracker, Black, A3953ZA1 * IPX4 Resistance: With an IPX4 water resistant rating, splashes and sweat won’t stop these headphones * Spatial Audio: Through the use of dynamic head tracking, enjoy your movies and TV shows in a theater-like experience with sound that surrounds you * Heart Rate Tracking: The in-ear heart rate sensor tracks you heart rate as you listen throughout the day. Check your daily data, use while working out, and more via soundcore in the app * Premium Sound via ACAA 3.0: Enjoy sound with deep, punchy bass, accurate mids, and clear treble direct from our acoustic system's dual dynamic drivers. Its wide soundstage allows every part of the song to shine for detail-rich listening * Outstanding Performance: Two dynamic drivers aligned on the same axis produce high-res sound with 3x more clarity* in LDAC mode. * Cloud Comfort Ear Tips: The dual-layer structure adapts to the shape of your ear canal for a pressure-free fit for the full 9 hours of playtime. Includes 4 sizes of ear tips to ensure you find the right fit for you * Multi-Point Connectivity: Connect up to 2 devices simultaneously to maximize productivity. Audio sources will change dynamically based on which device you’re using * Future Proof via the soundcore App: Hear ID personalized EQ, custom controls & EQ, & firmware updates give you full control over your listening experience What's In The Box: * 1 x soundcore Liberty 4 SE Earbuds * 1 x Charging Case * 1 x USB-C Cable * 1 x Quick Start Guide * 1 x Brand Card * Ear tip sizes: Large, Medium-2, Medium-1, Small