Product Name: metal Earphone Earbuds Applicable to Xiaomi Huawei Apple Mobile Phone Earphones in-Ear Subwoofer Remote Control Model NO.: E-HS-A5 Jack Type: Plug-in Jack Diameter: 3.5mm Function: Noise-Cancelling Usage: Portable Media Player, Computer, Mobile Phone Communication: Wired Color: White, Black Wire Material: TPE Transport Package: Carton Box Origin: China HS Code: 8518300000 Product Description Frequency range: 18-21000HZImpedance: 32ΩSensitivity: 110 plus or minus 5dBInterface: universal 3.5MM plugSpeaker: 12MM copper ring speakerHeadphone length: 1.2MFeatures: copper ring composite film sounding unit high fidelity sound fluid sound cavity structure full sound metal ear shell subwoofer wire control with wheat support play, answer functionOutput device for all 3.5MM audio interfaces.