Small size. uncompromising soundDiscover the freedom of Bluetooth® connectivity with the compact WF-C500 truly wireless earbuds. 1 combining uncompromising sound with great battery life 2. personalization. and IPX4 water resistance for music that goes anywhere.Ergonomic Surface DesignSince introducing the world's first in-ear headphones in 1982 (MDR-E252). we've surveyed huge amounts of data relating to ear shapes from around the world. The WF-C500 headphones are the product of that research. combining a shape that matches the ear cavity with a new ergonomic surface design for a more stable fit.Customize your soundWith 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. Make music more naturalWhen 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 that's closer to the original recording.Your sound. just how you like itTailor 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 using the EQ Custom feature on the Sony│Headphones Connect app.Small and light. a great fitDesigned 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.Go anywhere. pocket-sized caseThe 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. Easy button operationThe buttons on the WF-C500 headphones not only let you play. stop. or skip through tracks and adjust the volume - they also offer an easy way to access your smartphone's voice assistant and make and receive calls hands-free. Stable. reliable Bluetooth® connectivityA Bluetooth® chip. which transmits sound to left and right ears simultaneously. coupled with optimised antenna design. ensures a stable connection and outstanding listening. Low audio latency makes for enjoyable viewing too.