Specification: Item Type: Wired Headphones_x000D_Material: PVC_x000D_Model: MS28_x000D_Plug: Type C_x000D_Impedance: 32_x000D_Frequency: 20Hz-20KHz_x000D_Rated Power: 5mW_x000D_Cable Length: Approx. 1.2m / 3.9ft_x000D_Speaker: Approx. 4.2mm / 0.17in Graphene Features: 1Comfortable to Wear: Ergonomically and lightweight design headphones fit the ear perfectly without any pain even wearing it all day long. 2Built In Mic: Easy access to the volume control on the go and easily answer calls or end calls via built in microphone. 3PVC Material: PVC material, strong body, strong and durable, proving a long service time for you. 4Noise Cancelling: Automatically reduce noise, present innocent sound quality clearer, and more convenient to get HD voice calls. 5Enjoy Music Anytime and Anywhere: Whether you are outdoors or indoors, you are reading or running, you are at rest or at work. PackageList: 1 x Headphone 4 x Headphone Cap 1 x Headphone Clip