Souldio&trade; Wireless Bluetooth 4.0 Headphones Sports Exercise Gym Headsets Headphones with Handsfree Speakerphones, CD Sound Quality, CVC Noise Cancelling for iPhone 6 plus, 6, Samsung Galaxy S6 Edge and Any Bluetooth-enabled Devices. (Black) Behind the neck and over the ear ergonomics design guarantee 100% stable when Exercise, Running, Climbing, Driving, Skating, Camping, Fishing and other Outdoor Sports. High Performance: Equipped with CSR 8635 Chipset, this Bluetooth stereo headset delivers crystal clear sound for both music streaming and hands free conversations. Professional CVC noise reduction: equip with dual mic and advance noise reduction technology to get high quality voice recording. This technology make sure your voice sound clearly in a noisy environment, and achieve real intelligent noise reduction. Allows to connect 2 devices simultaneously, built-in Microphone and Controls for Music,Volume,Play/Pause and incoming Calls. Package included: bluetooth headsets*1, micro usb cable*1, earbuds*3(small, medium, large), user manual*1