What's in the package: 1 x Moxom MX-EP09 Earphone Product Specifications and Features Genuine Moxom Product Compatible With Android And iPhone Speaker : 10mm Dynamic Type Impedance : 16 Ohms±20% Frequency : 20-20KHz Sensitive : 94±3db (at 1KHZ) Max Input Power : 5w Microphone : Condenser Type Polar Pattern : Omni-Directional Mic Sensitivity : 42±3dB (at 1KHZ) Input Connection : Plated 3.5MM 4P Cable Length : 1.20 ± 0.03m