Specification:1. Brand: Maxchange2. Model: EP023. Color: Silver, Gold4. Connection: 3.5mm Audio Jack Wired5. Frequency Range: 20Hz-20KHz6. Sensitivity: 105dB±17. Impedance: 32Ω8. Rated Power: 5mW9. Cable Length: 1.25mFeatures:1. Ergonomic design, fits for the ear, not easy to fall off.2. Gold and silver dual colors for option, metal texture, elegant and durable. 3. 3.5mm gold plated connector, reduces the signal distortion, provides purer music sound.4. Supports wire-control.Package Included:1 * Maxchange EP02 3.5mm Audio Wired In-Ear Wire-Control Earphone With Built-in Mic