Avantree Sweatproof Sport Use Bluetooth Headphones for Running (Sacool Black/Green) Designed to provide optimal audio quality with a comfortable fit, this Bluetooth stereo headset has external-noise-reduction technology and includes 3 pairs of cushiony ear gels As a Bluetooth headset with a built-in microphone, you can easily play and pause music, as well as adjust the volume and change tracks. If you receive a phone call mid-tune, your music will automatically pause, allowing you to accept or reject the call, before starting again once the call has ended This gadget's battery comes with 6 hours of play time and 5 days of standby time - all within a slim, lightweight (18g), easy-to-carry package Compatible with Bluetooth-enabled smartphones(e.g.iPhone 6 and iPhone 6 plus), tablets, PCs and MP3 players, this wireless headset is an all-in-one gadget for your audio needs These Bluetooth headphones are designed with a tangle-free flat cable (15.35 inches) - giving you freedom of movement both at home, in the office or on the go