Sport Headphones, Vivii Stereo Sweatproof Running Gym Exercise Headsets for iPhone 6 6s 6s plus 5 5s Galaxy S5 S6 and Android Phones, better than most Bluetooth headphones Universal device compatibility: the Kinetic Series Headphones are compatible with most Bluetooth-enabled phones, and reduce external sound. Simple-to-use: control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves. Fully exercise-proof: with functional user interface, earpiece design, and a 10-meter working distance, our headphones will let you enjoy music through a variety of activities. V4.1 Breakthrough exclusive technology doubles Soundbeats QCY QY7 playtime to a solid 5 hours. Package contents: Vivii Headphones, user manual, charging cable, and custom earbuds.