The earphone is speciafically designed for Apple iPhone. The Metal Bullet Earphone integrated voice functionality gives you the freedom of hands-free phone calls. A built-in microphone with power off/on button, and a shirt clip for comfor and ease of use. The button is easy for music control, just twice clicks to display your tunes. The Metal Bullet Earphone uses the same speaker technology and...
“ Comparing the new Energy Sistem E214 vs SoundMagic PL-30 vs Meelectronics M6-Clear (Westone UM3x also commented on) According to the company's website, this new IEM comes in various colors. The Black model is the E212, Blue is the E214 and so on. All the Energy Sistem models in this line look to have the same components, just made with different color bodies, and different colored...” --willyc32