For all mmcx type earphones like shure
Bought frm jaben on 22/07/2020.
Warranty still valid till 22/07/2021.
Servicing bring back to jaben.
Bass & volume is better than most adaptors out there, even shure true wireless adaptor RMCE-TW1 sucks in terms of volume.
Battery life arnd 5-6 hrs on...