Shure SE215 Earphone
Accessories: Fit kit (three sizes each of two types of ear tips: flex or foam), Nylon cloth case with zipper and mini-carabiner-style clip.
Drivers: Single, dynamic (moving coil-type) MicroDrivers
Frequency response: 22 Hz - 17.5 kHz
Impedance: 20 Ohms
Sensitivity: 107 Ohms
Weight: Not specified.
Warranty: 2 years
Price: $119 MSRP, Street $99.99