The Final Audio Design F7200 Headphone is extremely small and lightweight, with a perfect fit and high sound insulation properties. Situated close to the wearer's eardrum and being highly airtight, Final Audio Design F7200 delivers high resolution, a vast sound stage and rich bass tones. Employs an MMCX connector and original high-purity silver-coated OFC cable. Final Audio Design F7200 is used a stainless steel housing that inhibits unnecessary sympathetic vibration and contributes to producing clear sound. The F series comes with an ear hook to reduce microphonics. The earphone comes with a safe fit rings (for silicon earpieces, for foam earpieces) so you can use your earpiece safely. Specifications: Housing: Stainless steel mirror finish, Driver: Balanced armature, Connector: MMCX, Cable: silver-coated OFC, Sensitivity: 106dB, Impedance: 42 Ohms, Cord length: 1.2m.