This gold kz in-ear headphones are made of double magnetic judgment unit，With professional equipment， it is easy to catch bass and other- low leveleasy to enjoy the rock music?-Model Number: kz ate s-Color: Black-Transducer principle: dynamic-Driver unit: 8.2 mm-Impedance: 16 ohms-Sensitivity: 106dB-Frequency response: 15-29000hz-A style: Without microphone; B style: With microphone-Plug type: curved 3.5mm plug Package include: 1pc Earphones