The WI-XB400 EXTRA BASS Wireless In-Ear Earphones from Sony plays your favorite music through its 11.9mm drivers while enhancing low-end frequencies for deep and thumping bass. Even with a bass boost, Sony's audio engineering is designed to maintain vocal clarity. Your audio is received wirelessly via a Bluetooth-compatible mobile device, and the earphones have enough power for up to 15 hours of continuous playback.
The XB400 in-ear earphones also feature built-in controls and a microphone on the neckband. The microphone can be used to make hands-free phone calls and interact with your mobile device's voice assistant software. With one-touch access, you can ask your device questions, navigate to a destination, play music, set reminders, and much more. Other built-in controls let you manage audio playback, such as play, stop, skip, and volume adjustment.