Marsno M2 Wired In Ear Headphones, Earbuds, Full Metal Earphones with Mic and Volume Control, High Definition, Noise Isolating, Deep Bass, Ergonomic Design &Crystal Clear Sound,3.5mm Jack,Grey Housing

Advanced Driver and Seamless Design
Brilliantly engineered with superb bass and clear mids and highs,superior audio performance, extremely accurate listening experience

Tangle Free Audio Cable
Eliminates the need to constantly untangle your headphone cable. The tangle free cable allows instant use every time.

Universal One Button Controller
A single button controller compatible with most smartphones will give easy access to such functions as answering or hanging up your phone as well as music playback functions.

Secure + Comfortable Ergonomic Design
Oblique angled ear fittings naturally match your ear canals,5 sets of included ear sleeves sizes ensure a proper fit for all

Friendly Remind:
(1)To avoid hearing damage, make sure that the volume on your music player is turned down before connecting your Marsno M2 in-ear headphones.

(2) The volume control of M2 headphones is not compatible with ipod and laptop since ipod and laptop which can not receive line signal internally ( not support the volume control themselves ), but you can use these headphones with ipod and laptop normally via the audio function.