This is Xiaomi. Recently heard about fake Xiaomi product in this forum from Gearbest.
I have bought hundreds of products from Banggood and never had any issues.
Description for the item
The original xiaomi piston earphone, coming with basic edition, is made of metal composite techonology of the diaphragm. With the 3rd generation damping system keeps the sound more clear and balanced. The flat wire design makes it easily storage and durable. Microphone built in of the earphone, makes you conveniently answer phone call while enjoying music. It brings an excellent sound performance to your ears.
Cheaper Here