SIMLE S302, Sports Wireless Headphones, Bluetooth 4.1 in Ear Headsets, Hands Free Earbuds, Multi Function In Line Control, Sweat-Proof Fitness for Apple iPhone,Samsung,etc (Classic Black) [Perfect fit and comfortable] You can always find the perfect fit for your ears through the three different sizes of the earbuds. It is born for sports so it will stay firmly in your ear when you are enjoying the wireless music and doing sports simultaneously [Sweat-proof and very light] Sweat-proof and moisture resistant, worry free from now when doing sports. Since the headsets itself is less than 18 grams, it wont be a burden to your ears [In-Line remote control] In-line control gives you freedom to enjoy the high quality music or pick-up/reject/hang-up incoming calls. And also you can redial your last call by just double click the MF button in the standby mode [English Prompt Voice and High Compatibility] High Compatible with Bluetooth enabled music players & A2DP enabled devices such as iPhone, Android Smart Phones, iPad, iPod touch, tablets, PC, etc. Perfect Fit for iPhone 6s, 6s plus, 6,6Plus, 5S,5,4, Samsung Galaxy Note 4 3 2 ,S6 S5 S4 S3 and Google nexus 6,5,4 BlackberryLG and other Smartphone