JustOla JOVIAU01 J-Vibe Wireless Bluetooth Headphones Noise Cancelling Headphones with Microphone for Running/Gym/Exercise/Sweat Proof-Black Latest Bluetooth 4.0 Technology: easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices Sweat proof - whether you are at the gym or doing outdoor sports like running or biking, j-vibe can withstand your most rigorous activities Noise cancellation technology and long-lasting music: : excellent sound effect collection, superior sound isolation, efficiently reduces external noises Flexible & interchangeable tips - the flexible and interchangeable tips let you pick the best fit without sacrificing sound isolation