New Arrival Wireless Sweatproof Stereo Sport Bluetooth Headsets/Headphones, Lightweight and Comfortable In-Ear Bluetooth Earphone/ Earbuds with Microphone and NFC Function. Compatible with Most Smartphones Bluetooth Devices. (Black) Awesome design, lightweight, compact and portable design with a behind-the-head design, makes it more comfortable and stable to wear even though long time use. Adopt the most advanced bluetooth CVC6.0 intelligent noise reduction technology, Which makes you could enjoy a HD stereo music, no matter the high pitch or bass, it provide the perfect sounds. 3.Built-in microphone and controls for phone calls, volume, and music playback, support Redial the last number. New added NFC function, makes pair more quickly and easily. Enjoy the high-quality intelligent life. 5.Buit-in more powerful battery. Long music time up to 6 hours, talk time up to 8 hours and standby time up to 200 hours.