G-Cord Bluetooth 4.0 Headphones Sweat-Proof Wireless Stereo Sport Headsets Earbuds for iPhone, iPad, Samsung Galaxy, Tablet and Other Bluetooth Enabled Devices Durable and sweat proof, ideal wireless earbuds for Running, Jogging, Hiking, Biking and Gym without annoying cables G-Cord ultra light weight sport headsets provides super and high-fidelity stereo music and clear speech sound performance In ear comfortable silicone ear tips with 3 (S/M/L) adjustable buds. With ergonomical design, rotatable ear hooks makes the headsets fit your ear securely With the integrated three-button remote and microphone system you can you can play, skip and pause music, control volume and pick up/end calls G-Cord headsets give you the ability to connect up to 30 feet to your Bluetooth enabled device, allowing you to move freely and stay focused on your workout. Up to 8 hours of talk/playing time and 320 hours standby, let you enjoy your music through a variety of activities