Sony's WF-C510 Truly Wireless Earbuds deliver a high-quality listening experience in a compact and comfortable design. Featuring the Digital Sound Enhancement Engine (DSEE), these earbuds restore high-frequency sounds lost in compression, producing music with authentic vocals and powerful bass. Enjoy up to 11 hours of playback on a single charge, with an additional 11 hours provided by the charging case. For added convenience, they support Multipoint Connection to pair with two Bluetooth® devices simultaneously, and include an Ambient Sound Mode to keep you aware of your surroundings. Customize your audio with the built-in EQ for a personalized sound.