Unfortunately there isn't one my friend :(

nahhh... the jack is gold,maybe my camera isn't that good (although is iphone 5s) i'm not complaining about the BASS,i'm just comparing with IEM that has a good vocal balance so you know what i meant :D (i'm basshead anyway)   Thanks again for your review :D

  i want to ask one more thing   can you tell me , what material is piston 2 cable use?   i uploaded my piston 2 cable pics hope you can tell me,and see through it   http://imgur.com/DptWmXK   http://imgur.com/N3JShyB

Piston 2.0   PenonAudio : $29.00 ibuygou : $19.99   quite different ...:(

  sorry for my enter spacing habit :)   plastic edition with gold rose colour? wait i try to upload the image...errr,don't have the white box image,just the piston i planned to buy from ibuygou instead,is it legit?

Want to ask something about piston 2 just got my piston 2 v2.1 (i think it's v2.1) yesterday from Lazada Indonesia Flash sale but something's not right. the box is not brown,it's white somehow the bass quantity is too much,and cover the area of bass. and doesn't smell of...