Discover musical freedom no wires, just effortless all-day music.Our WF-C500 truly wireless earbuds are designed compact to fit snugly in your ear. But dont let their size fool you. They deliver high quality sound that's rich in detail, thanks to DSEE technology, which restores fine fade-out sound and high frequency sound. These Bluetooth headphones are smartphone-friendly too and very easy to use.With our Digital Sound Enhancement Engine (DSEE), high frequency sound and fine fade-out sound are restored to the track for a more authentic listening experience. You can also tailor music to your own taste using the EQ setting on the Sony Headphones Connect app.When an original music source is compressed, it loses the high-frequency elements that add detail and richness to a track. Our Digital Sound Enhancement Engine (DSEE) faithfully restores these to produce high-quality sound thats closer to the original recording. Tailor sound to your personal preference. Choose from a variety of presets to match sound quality with the genre of music you're listening to. Or create and save your own presets. Designed small, these buds fit securely and comfortably in your ears. The rounded shape without edges makes them a pleasure to wear, leaving you free to focus on what matters your music.The cylindrical charging case is extremely small and easy to carry around in a pocket or bag so you can take your earbuds everywhere you go. Its translucent lid with a texture like frosted glass gives the case a stylish, luxurious look and feel.