?Your 100% Satisfaction Guarantee - We pay special attention to the customer experience and always strive to provide you with the best experience.You can completely add our Headphone Accessories to your shopping cart. If you are not 100% Satisfied, we will provide you with a full refund within 14 days.But no warranty!. Many Types?We also have many other types adapters which can help you to resolve the different cables connected to different earbuds.Let you enjoy the DIY HiFi life.Provide more possibility. Audio Unchanged?The adapter is small and convenient. It does not improve the sound quality, nor does it change the original sound quality of the headset. Female Side 0.75mm 2pin plug?This convert is worked for 0.75mm 2pin cable connected with different mmcx earbuds. Male Side is mmcx plug?This convert is worked for 0.75mm cable connected with shure earbuds,suitable for Shure SE215 SE215-K SE315 SE846 UE900 earphones,for LZ a4 a5,PRO HQ5 HQ6 DQSMD2 MAGAOSI-K5 YINYOO-H5 VT,UM PRO Series:UM PRO30,Series: W10 etc,AM Pro Series: AM10,ES Series: ES10, etc,for SONY XBA-A3,JVC: HA-FX1100,for PIONEER: DJE-2000,for ONKYO:ES-CTI300,Fiio f9, f9 pro,FH1,F5 etc.