FEATURES NFC and BLUETOOTH Near Field Communication (NFC) technology makes complex set-up sequences a thing of the past. Simply touch selected NFC-enabled devices to the on-body N-mark for a quick, seamless connection, then start streaming content over Bluetooth wireless connection. No NFC? No problem. You can still manually connect to Bluetooth wireless connection using your device's settings menu. 8hr battery life Enjoy up to 8 hours of non-stop music. Stream quality sound all day Listen to your music in clear sound quality from 9mm drivers. Voice assistant compatible A simple press of a button connects you to your smartphone's voice assistant to get directions, play music and communicate with contacts. Wear all day, keep on listening The behind-the-neck design is shaped for comfortable, all day listening. Easy hands-free calling Conversation flows freely with easy hands-free calling, thanks to the built-in microphone. No need to even take your phone from your pocket. Easy operation with buttons Use the buttons to play, stop and skip through tracks and adjust the volume. Pick your colour Select and wear the colour that suits you best. Choose from black, red, blue or white. Sony WIC300/B Wireless In-ear Headphones, WI-C300 Stereo - Wireless - Bluetooth - 20 Hz - 20 kHz - Earbud, Behind-the-neck - Binaural - In-ear - Black Audio / Video > Headsets / Earsets