Specification :

Features
High-quality dynamic speaker systems for powerful, bass-driven stereo sound
Excellent fit in the ear canals and high attenuation of ambient noise ( ear adapters in different sizes included)
Convenient carrying pouch included
Optimised for MP3, iPod, iPhone, CD players and portable gaming systems ( iPod and iPhone are trademarks of Apple Inc. registered in the U.S. and other countries)
Symmetrical cable
Delivery Includes
1 CX 310 Originals
Ear adapter set ( S/ M/ L)
1 Carrying pouch