Feel the power of EXTRA BASS. Connectivity Technology: Wireless-BluetoothHigh quality wireless audio with Bluetooth and NFCOptimize your sound settings with the Sony Headphones Connect app. Enjoy broad frequency response and 18 hours of battery life;
Enjoy the freedom and love the bass with these Bluetooth1 headphones with EXTRA BASS that deliver powerful, clear sound and up to 18 hours of battery life3. Find the perfect sound for each song with the Sony Headphones Connect app2, while you enjoy broad frequency response for the ultimate listening experience. Even take hands-free calls with the built-in mic. Freedom has never sounded better.
“Charge Time: Approx. 4 hours and easily take calls wirelessly with the built-in mic”