?Stylish Metal Components? Full metal earphones with microphone are consisted with aircraft grade aluminium material. (Not include the cord and ear rubbers.) Solid appearance and textured touch ensure its premium long-last quality compared with plastic headphones. FULL IN-LINE CONTROL]: Buttons to control music and conversation is at your fingertips - play/pause, volume control, track control, answer/reject/end phone calls. ?Durable & Tangle-Free TPE Cord? TPE external material combining with durable oxygen-free copper wires inside compose this durable and tangle-free earbuds cord, which has been passed the test of over 20,000 times swinging process. 3.5mm TRRS gold plated jack is compatible with most smart devices. SECURE FIT SPORT HEADPHONES NEVER FALL OUT OF EARS WHILE WORKING OUT- Thanks to pliable over the ear loops and ergonomic ear bud design, these workout headphones fit comfortably and stay put in ears while running, jogging, weight lifting, exercising, walking and gym trainin