Listen to your favorite music on the go with the Sony WI-C600N. Use Bluetooth to wirelessly stream music from your smartphone or tablet to the earbuds. Thanks to the active noise canceling, you can still enjoy your music in a busy room. If you want to hear some ambient sounds, you can turn on Ambient Sounds Mode. You can easily establish a wireless connection via NFC. Hold your phone to the NFC part of the earbuds and the connection will be made within seconds.