Description TRN MT1 pro Hi-FI 1DD Dynamic In-ear Earphone Drive HIFI Bass Metal Monitor Running Sport Earphone For KZ CCAHeadphone For KZ EDX TA1 BA15 ST1 BAX♬Dual-magnet driver gives more energy to your music： MT1 pro dynamic driver adopts dual-magnet design. This newly-designed magnet increases magnetic flux by 55% – close to 1 Tesla. Resulted in an improvement in resolution, dynamics and speed.♬A technological-innovative masterpiece 5μm Silicon crystal composite biocellulose diaphragm： Sillicon crystal composite biocellulose diaphragm is 2 times more efficient compared to conventional biocellulose diaphragm, thus can be driven easily. This extends the frequency range, allowing excellent transient response even when driven by smartphones.♬Imported eco-friendly polycarbonate： Made of imported environment-friendly polycarbonate for high-gloss and transparency. MT1 pro will giter beautifully under translucent light. It suppresses reflection of sound waves internally resulting in an overall tone is warm and mellow, without a hint of harshness.♬Great sound that lasts： Punchy bass, clear midrange and resolving treble, MT 1 pro is carefuly-tuned with a balanced sound in mind suitable for most music genres. An organic yet lively sound that is pleasing to the ears.♬Newly improved 2 Pin Type connectors Gold-plated contact pins .