AGPTEK Adjustable Sport in-Ear Wired Earphone for Mp3 Players, Smartphones, Laptops, Tablets with 3.5mm Audio Line-in, 5 Sets Silicon Ear Buds (Green) HD SOUND FOR MUSIC AND PHONE CALLS: Noise isolating in-ear design with energetic sound and enhanced bass SECURE FIT OVER EAR EARBUDS: Thanks to pliable over the ear loops and ergonomic ear bud design, these workout headphones in ear fit comfortably and stay put in ears while you're runing, jogging, weight lifting, walking and gym training.No need to stop your workout to adjust the ear buds any more. It also come with 5 ear piece sizes to ensure a custom comfortable fit HANDS FREE CALL AND MUSIC CONTROL: Built-in microphone and multifunction control: Answer Calls - End Calls - Fast Forward - Rewind - Pause - Play. You can use the in line button to take a call. The microphone allows you to communicate hands free, so that you can keep on your exercise. FULLY COMPARTIBILITY: Ideal for devices with 3.5mm interface, Such as Apple Devices, Androids Smartphone, Windows Phone, MP3/MP4 Player, Portable Musics Player, Computer, Laptop, Tablet Devices . SWEAT PROOF: Sweat-proof headphones provides increased durability and long-term wearing comfort. If there are any issues, we'll give you a total refund or a replacement, at no cost without questions asked. We just want your 100% satisfaction.