Matias
500+ Head-Fier
Main page:
http://www.mi.com/huosai/
Gizmochina:
http://www.gizmochina.com/2015/03/26/new-xiaomi-piston-earphones-launched-with-an-upgraded-design-priced-at-99-yuan-16/
For sale in Aliexpress:
http://www.aliexpress.com/item/2015-New-Original-Xiaomi-Earphones-Piston-3-Headphones-Headset-In-Ear-Reddot-Design-Award-apperance-sound/32310691737.html
http://www.mi.com/huosai/
Gizmochina:
http://www.gizmochina.com/2015/03/26/new-xiaomi-piston-earphones-launched-with-an-upgraded-design-priced-at-99-yuan-16/
For sale in Aliexpress:
http://www.aliexpress.com/item/2015-New-Original-Xiaomi-Earphones-Piston-3-Headphones-Headset-In-Ear-Reddot-Design-Award-apperance-sound/32310691737.html