Description:Brand: KZModel: ATE-SUnit Type: 8.2mm Dynamic Headphone type: In-ear Communication: WiredMicrophone: YesInterface: 3.5mm GildedImpedance: 16ΩHeadphone sensitivity: 106dB±2dBFrequency range: 15-29000HzCable Length: 1.3m±3cmColor: BlackFeatures:1.Compatible with: Mobile Phones/ computers/ mp3/ mp4/ tablet PC.2.Built-in beryllium alloys of pure copper pronunciation unit.3.Unique design memory wire around the ears.4.HiFi lossless cable and gold plated jack effectly reduces signal loss.5.HD calls.Package Included:1x KZ-ATE-S Dynamic Noise Canceling Earphone With Mic