• Compatible with iPhone and other mobile phones
• Response accuracy of Etymotic's ER-4 earphones
• Highest noise isolation of all competing headsets
• 3.5mm stereo plug makes the hf2 compatible with any music player

Includes:

• High-fidelity, hands-free, noise-isolating headset + earphones with 4 ft. cable
• Assorted eartips
• Filter tool with 2 replacement filters
• Storage pouch

Compatibility

Works with iPhone and other music phones that operate with a 3.5 mm/4-contact phone + stereo plug.

Compatible with most music players (e.g., iPod, MP3, CD) that accept a 3.5 mm stereo plug.