Thank you for viewing! (Product Features) These are completely wireless ear speakers equipped with PSZ technology developed by NTT to suppress sound leakage. Since they don't block your ears, you can wear them at any moment, even when spending time with family and friends. With a comfortable fit and sound leakage suppression, they're perfect for remote work and online classes in the office or quiet spaces, as well as for housework and childcare. - Bluetooth compatible - USB-C charging compatible - Color: White Thank you very much!♡