Features: Compact and lightweight, the microphone terminal is directly inserted, DAT, MD high performance for music radio. Stylish and compact appearance and free DIY capability, especially the recording function, no matter what kind of external audio source, MD machine can record it on MD disc, and then can edit later, very convenient. Imported oxygen-free copper wire, which will not interfere with each other when transmitting signals, enriching sound quality. Terminals and sockets perfectly overlap to enhance audio performance. Professional chipset provides superior performance in the system, precise cuts and interfaces ensure perfect fit and easy installation. Low-latency lossless audio transmission with high-fidelity audio technology to accurately and realistically reproduce the rich appeal of music. 3.5mm gold-plated plug is compatible with most devices on the market, enhanced audio, high fidelity. Specifications:Material: ABSVersion: Computer Version, Phone Version(optional)Directional property: 2*UnidirectionalityFrequency response: 100-15KHzSensitivity: 38±3dbPlug: 3.5mmPackage list:1 x Microphone