Audiosharp AS1217 Metal Stereo In Ear Headphones with Deep Heavy Enhanced Bass Noise Isolation Carrying Case Premium sound quality. Features 6.8mm top dynamic drive unit, tuned carefully by top engineers sound more real, the bass is elastic. High end craft.Solid metal housing, custom 32-core L-OFCL line. Stunning surround sound, Super Noise reduction tecnology, away from the noise. Easy to carry with crafted protective case. Comfortable to wear with multiple sizes eartips.