We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
Able Planet Sound Clarity SI650
Able Planet’s Sound Clarity SI650 in-ear headphones proffer sound isolating technology, 8mm neodymium drivers as well as an in-line remote and microphone. Additional features include 103 dB sensitivity, 20 ohms impedance and a 30 – 18,000 Hz frequency response.
Sound Isolating Technology
8mm Neodymium Drivers