Avantree Audition Over-Ear Wireless Bluetooth 4.0 Noise Isolation Lightweight NFC Headsets / Headphones with Mic - Black/Red NFC Bluetooth Stereo Headphone with aptX for CD quality music and clear call sound The all new limited edition Audition headphones are equipped with the latest Bluetooth 4.0, near field communication (NFC), built-in mic, and has the option to connect by wires. Each over-the-ear headphone delivers crisp premium sound quality for beats of all music genres. Relax to soothing music or get energized with an intense sound session! Take control with a quick tap of the headphones to play, pause, receive calls, and adjust the volume. Endlessly listen to music with the quick rechargeable li-ion battery that holds up to 40 hours of music time and 20 days of standby time. Enjoy wireless music and calls anytime, anywhere. Superb music quality. Fabulous bass. Multipoint technology - connects TWO Bluetooth enabled devices simultaneously. 40 hours of music time, 20 days of standby time.View larger Lightweight, only 180 gram. Much lighter than similar headphones on the market. Easy one-touch pairing with NFC (near field communication) technology. Dual mode - additional audio line input, for use when battery is low. Enjoy powerful music around you! Avantree Audition, NFC Bluetooth stereo headphones with fabulous bass, superb hifi audio. Use indoor from your TV, PC, mobile or tablet and outdoor from your mobile or tablet.