Souldio&trade; Bluetooth 4.1 Headphones, Wireless Sports Headsets Earbuds with Aptx, Microphone, for iPhone 6 plus, iphone 6, Samsung Galaxy S6 and Bluetooth-enabled Devices(Black) Bluetooth 4.1 Version, Provide crystal sound voicea and noise cancelling,enjoy the perfect music and talking quality with our bluetooth headphones Powerful Battery, Built-in rechargable lithium polymer battery,up to 100 hours standy time,3.5 hours talking time and 3 hours music time Comfortable and Stable, When doing exercises,running,climbing,driving,skating,camping,fishing and other outdoor sports exercises Very easy to operat call answering,music playing(previous/next song),volume controlling from the headsets.It is easy to answer, reject,convert or keep your call if there is another incoming call for second mobile phone while you are in conversation Package Included: Bluetooth headphone*1, Clip*1, Micro usb charging cable*1, user manual*1