Sephia SP1050 Noise Isolating in-Ear Earphones Headphones, Heavy DEEP Bass for iPhone, iPad, iPod, Samsung Galaxy, MP3 Players, Nokia, HTC, Nexus, BlackBerry You will enjoy clear and Bass Driven detailed sound, thanks to SP1050 Earphones high performance dynamic speaker system Various headphones ear adaptor sets (S/M/L sizes) allows for a personalised fit as well as excellent passive noise isolation of ambient noise Optimised for MP3, iPod, iPhone (iPod and iPhone are trademarks of Apple Inc. registered in the U.S. and other countries) and portable media players as well as Samsung, Nokia, HTC Symmetrical Y Shape Tangle Free Earphone Cable Excellent Stereo Sound Quality! Frequency Response: (20-20kHz)