Specification:1. Color: Grey, Rose gold2. Connection: 3.5mm Audio Jack Wired3. Frequency Range: 20Hz-20KHz4. Sensitivity: 99dB±35. Impedance: 16±15%6. Rated Power: 3-5mW7. Cable Length: 1.2mFeatures:1. Ergonomic design, fits for the ear, not easy to fall off.2. Grey and rose gold twol colors for option, metal texture, elegant and durable. 3. 3.5mm anti-oxidation connector, reduces the signal distortion, provides purer music sound.4. Supports wire-control.5. High strength nylon thread weaving.Package Included:1 * Earphone