Product Description:Brands: KZModels: ATEWear mode: In-earHeadphones plug diameter: 3.5 mm GildedEarphone plug type: type into the headphone outputAudio source: portable media player cable/ mobile phone cableDrive: 8.2mmLength: 1.2MSensitivity: 105dbImpedance: 16��Frequency response range: 15-29000 HzWhether with microphone: Optional Color: blackNotes:Size 1: KZ ATE Hifi In-ear Headphone without MicrophoneSize 2: KZ ATE Hifi In-ear Headphone with MicrophonePackage Included:1 x KZ ATE Hifi In-ear Headphone