uxcell Single Side Black Ear Hook Earphone Microphone 3.5mm Dia. Ear-hook Earphone Microphone securely in place; Fashion design, enjoy sound experience, and sound sense of hearing art. Black Microphone Earphone ideal for use with notebook, PC in skype, online talk, video conference! Connects of this Ear Hook Earphone Microphone using standard 3.5mm. Durable plastic hook construction for maintenance-free durability; Frequency Response: 50-16,000Hz Microphone:6x5/58&plu;smn;2dB; Impedance:32Ohm at 1KHz; Package content:1 x Black Microphone Earphone