Aside from smartphones, one of Xiaomi’s longest running line of gadgets is their headphone line. The Piston Fresh starts from 4$, and let’s see if that will bring any goods to your ears! Last December 2016, Xiaomi released a new model in its Piston headphone line called the Piston Fresh. The new in-ear headphones sports aluminium chambers with a 3rd generation damping system and is available in five different colours. What do you think after viewing my review? Is it worth 4$?