I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Please feel free to contact us if you have any questions.Description:You can adjust the headphone to fit your head because it is adjustable.Built-in mic and speaker, this headphone can provide you high quality and clear sound.Plastic material made, this earphones is durable and can be long time used.The length of this the cable is 150cm and the diameter of the speaker is 27mm.It is suitable for home, work, dorm room, hotel, travel, etc.Item Name: Wired HeadphoneMaterial:PlasticImpedance: 32 OhmInput Power: 100mWWearing Way: Over-earFrequency Response Range: 20Hz - 20KHzfSize Details:Speaker Diameter: 27mm/1.06" (Approx.)Cable Length: 150cm/59.06" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Wired Headphone