Hallomall&trade; New Arrival Bluetooth In-ear Stereo Sport Headphones Headsets Earbuds with Noise Cancellation, Sweatproof Jogger, Running, Wireless Sports Headphones with Aptx, High Sensitivity Mic, Hands-free Calling for Iphone 6, 6 Plus, 5 5c 5s 4s Ipad, Lg G2, Samsung Galaxy S5 S4 S3 Note 3 and Other Android Cell Phones (Black) Bluetooth 4.0 stereo headset, with 10 meters transmission distance and built-in DSP to reduce noise and echo, all these will provide you with an enjoyable music journey Lightweight, stable and sweat-proof design to ensure a pleasant using experience when you do outdoor exercises or sports Easy operation for you to answer/reject/end/transfer calls, to adjust the volume, to select music, or to make a voice connection dial With NFC function as well as the function of connecting with 2 mobile phones at the same time 100 hours of standby time, 5 hours of talking time and 4 hours of music time