Brand Name: KZStyle: In-EarConnectors: 3.5mmPackage: YesUse: Portable Media PlayerFunction: Noise Cancelling，MicrophoneCommunication: WiredModel Number: ED2earphones category: general earphones， voice earphones， hifi earphonesauriculares: fone de ouvidoUse: Portable Media Player， Mobile Phone， SportCable length: 1.2M±5CMsensitivity: 120DBimpedance: 18Frequency response range: 6-31000HZbrand: KZcolor: Gold platedMicrophone: Yes Or No ( You Could Choose )Unit Type: piecePackage Weight: 0.050kg (0.11lb.)Package Size: 10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)