Brand HAVIT Model HV-H328F Type Headband Color Yellow + Grey Quantity 1 With Microphone Yes Driver Unit 36mm Frequency Response 20~20KHz Impedance Speaker: 32 ohms +/- 15%; Microphone: 2.2K ohms Sensitivity Headphone:110 +/- 3dB at 1KHz; Mic: -56dB +/- 3dB Connector 3.5mm Cord Length 108cm Other Features Material: ABS + aluminum alloy; Mic dimension: 4.0 x 1.1mm; Direction: Omnidirectional; Suitable for mobile phone and computer with a 3.5 mm interface; This headphone is especially designed for couples. It means two people can share the same song in the same time. Unique design of separated line and headphone special dual audio interface; Scalable: 6cm length adjustable and 150 degree angle adjustment Certification FCC / CE / RoHS Packing List 1 x Headphone 1 x Audio cable(108cm)