Sony WF-C500 Truly Wireless In-Ear Bluetooth Earbud Headphones with Mic and IPX4 water resistance, Black

DSEE restores high frequency sounds lost in compression.Specific uses for product : Sports and Exercise
Up to 10hr battery life, total up to 20hr with charging case
Splash-proof and sweat-proof with an IPX4 rating. Supported Audio Format(s): SBC, AAC
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.