1. The removable cable enabled so this earbuds can be upgraded to bluetooth headphones by KZ bluetooth cable or improved the sound quality by silver plated cable.
2. This earphones design is according to the ear canal, light and comfortable while listening.
3. One mid treble balanced armatures and one bass dynamic driver are built in to ensure this in-ear headphones in balanced frequency.
4. Compatible with iPhone, iPad, Android devices and all 3.5mm jack devices.