Features:The single-hole audio port is divided into an audio port and a microphone port. One end is connected to a single audio port device, the two connectors on the other end are respectively connected to headphone and microphone.24 K gold-plated interface is adopted to solve the problem of audio loss of the port during transmission, provides lossless sound quality, anti-oxidation.Environmental protection ABS shell, high hardness, corrosion resistance, UV protection, wear resistance, long service life.Small and portable, plug and play, not occupy spaces.Compatible with mobile phone, laptop, desktop computer, speaker, headphone, microphone and other devices.Specification:Name: Audio adapterColor: Black/White(optional)Interface type: 3.5mm interfaceConnector: 24 K gold plated connectorItem size: 5.2 * 2.7 * 1cm /2.05 * 1.06 * 0.39in(L * W * H)Item weight: Approx. 4.9g /0.17ozPackage weight: 7g /0.25ozPacking list:1 * Audio adapter a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a