BoYaZ Earphones Earphones High Quality Stereo Earbuds Noise Isolating Bass Class In-ear Headphones with Mic & Remote Control for All Smartphone Ipod Tablet (Black) Bass pipe and high sensitivity microphone emphasize low tones for a clear, realistic optimum sound quality Flat cable makes it tangle free for easy storage with gold plated connectors for long lasting maximized connections Built-in mic and Remote control: Answer Calls - End Calls - Fast Forward - Rewind - Pause - Play - Volume control Ideal for iPhone, iPod, Ipad, Androids Smartphone, Windows Phone, MP3/MP4 Player, Computer, Laptop, Tablet Devices etc. Driver Size: 15mm, Sensitivity: 108dB3dB, Impedance: 30, Cable Length: 120cm, Plug:3.5mm, Frequency: 20-20,000Hz