Specifications:Two-way dual-unit design, its high-frequency ductility and low-frequency fade are much better than ordinary one-unit headphones.Large dynamic range, good transient response, transparent and innocent playback, rich tone, it is a good choice for listeners.Ergonomic design, comfortable to wear.Item Name: Wired EarphoneMaterial: TPE + SiliconeSpeaker Diameter: 8mm0.2mmx2, 6mm0.2mmx2Speaker Impedance: 1615%Sensitivity: 98dB at 1KHz 1mW (0.179V)Distortion: 3%dB at 1KHzLeft & Right Balance: 3dB at 1KHzMicrophone Head Size: 4mm 0.1mm x 1.5 0.1mm (H)Microphone Head Sensitivity: -403dBMicrophone Head Impedance: 2.2K10%Directivity: OmnidirectionalPlug Type: 3.5mmFeatures: In-Ear, Ergonomic, Wired, BassCable Length: 1.2m/47.24" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wired Earphone2 Pairs of Eartips1 x Cable Clamp