Inland 87107 SecureFit Metallic iBuds (Metallic Black) (Discontinued by Manufacturer) Widely usage for iPod/iPhone, MP3/MP4, Mobile phone, PC, Gaming device, CD, etc. In-ear design, isolate the sound, cancel the noise outside Fine design housing brings high end sound effects. Only 1.5dB deviation of two speakers, protect hearing. Soft silicone caps can fit your ear well and keep holding. Connectivity technology: wired