BESIGN SP02 Wired Earphones, 3.5mm Stereo Sports Running Earbuds, Headsets, Headphones with Mic and Remote Control for Smartphones, Tablets, Mp3 Players Powerful & Stylish Earphones with microphoneWired audio solution seamlessly combines premium sound performance, on-the-go design, and maximum versatility Ergonomic earpiece designing provides long-term sports wearing comfort, good for running or sports. High-quality dynamic speaker systems provideing powerful bass-driven stereo sound, good for music streaming, handsfree calling, video watching, or gaming Compatible with all smartphones, tablets, mobile devices, MP3 players, computers and all 3.5mm audio jack-equipped devices for convenient on-the-go practicality. WARRANTY & MONEY BACK GUARANTEE - These sport headphones are professionally designed for your music in sports. We will insure 100% satisfaction, refund or replacement will be arranged for any quality issue.