Description: Ceramic Housing: latest digital audio technology and zirconium oxide ceramic material, compact Ceramic earphone and three different size rubber earpads allows you choose the most comfort-fit one for your ear. HiFi Stereo Noise Reduction: Full digital lossless audio, Hi-Fi level CDLA standard and digital architecture, Dynamic noise reduction, it offers true lossless stereo sound quality and super noise isolating effects. Rubbery Tangle Free Cord: Durable soft TPE material, 47 inch tangle-free cord is longer enough to connect to mobile device through pockets or bags, easy to carry and organizer. USB C/Type C Connector: The earpiece features a next-generation Type-C connector allows you to plug in without fail, regardless of how you are holding and inserting the cable. Compatible with Nexus 5X/6P, HTC 10, Huawei P9, Microsoft Lumia 950/950 XL, Alcatel idol series, Nubia Z11/Z11 mini, ZUK Z1/Z2 PRO, ZTE AXON 7 and more type C devices. Specification: Speaker: ?8mm Dynamic Drive Unit Rated Power: 3mW Impedance: 16? Sensitivity: 96 ±3dB @1KHz 1mv Frequency Range: 20-20KHz Earphone Material: Ceramic Earphone Type: In-Ear Plug Type: Type-C (USB-C/USB-3.1) Cable Material: Oxygen-Free Copper (OFC) +TPE Working Temperature: -10? —60? Cable Length: 1.2m Package Includes: 1 Piece Type-C Earphone 3 Pairs EarPads 1 Piece User Manual 1 Piece Organizer Case