1. Delicate and fashion metal housing
2. Soft and comfortable of TPE wire with copper core, high purity, good conductivity
3. 3.5mm gold plating contact pin has better contact force and conductivity
4. Hands-free calls and volume control. Click is for playing or pausing, twice click is for next sound and triple for previous
5. High definition sound and has excellent sound with the heavy bass
6. Suitable for smartphone, computer, mp3/mp4 player and other devices.