• Rich Sound with DSEE Technology: With Digital Sound Enhancement Engine (DSEE), these earbuds restore compressed high-frequency sounds lost during digital compression, providing a rich and detailed listening experience. ​
• Longer Battery Life: Up to 10 hours of continuous music playback is ensured, with a further 10 hours being offered by the tiny charging case, amounting to 20 hours of playtime.
• IPX4 Water Resistance: Designed to withstand splashes and sweat, the earbuds are IPX4 rated, ideal for use during exercise and outdoors. ​
• Customizable Sound Profiles: With the Sony | Headphones Connect app, you can customize EQ settings so that you can personalize the sound to your preference. ​
• Ergonomic Comfort Design: The earbuds are supplied with an ergonomic surface design that accommodates the majority of ear shapes, offering a comfortable and proper fit for extended use.
• Hands-Free Calling and Voice Assistant Access: Microphones facilitate clear hands-free calls, and a single press of a button permits your smartphone voice assistant to be accessed for added convenience Optional use of one earbud-only button operation to take control without your phone.

Specification:

• DSEE restores high-frequency sounds lost in compression
• Up to 10hr battery life, total up to 20hr with charging case
• Splash-proof and sweat-proof with an IPX4 rating
• Easier, clearer hands-free calling
• Small and light for a great fit and all-day wear
• Ergonomic Surface Design conforms to most ear shapes
• Fine-tune your sound using the Sony Headphones Connect app
• Optional use of one earbud only
• Easy button operation to take control without your phone
• Experience 360 Reality Audio for a truly immersive experience.