Play your favorite songs with Bluetooth® wireless technology via a paired smartphone or tablet. The ultra-long battery life of 35 hours provides you even on long journeys. When the battery is almost empty, you can use the quick charge function to listen to another 90 minutes of music after only 10 minutes of charging. Choose from black, blue and white to suit your taste. Color and texture have been designed to not only look good, but also feel good. Use the buttons to play, pause, or skip tracks and adjust the volume. The WH-CH510 headphones are not only light and compact, but can also be stowed away safely in your pocket by the swiveling ear cups. Unhindered entertainment with uncomplicated hands-free function thanks to integrated microphone. You don't even have to take the phone out of your pocket.