We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
MEElectronics’ SX-31P in-ear headphones integrate 10 mm dynamic drivers, an in-line microphone, noise isolating technology and soft silicone ear tips. Additional features include 95 dB sensitivity, 16 ohms impedance, 10 mW maximum power input and a 20 – 20,000 Hz frequency response range.
Noise Isolating Technology
10 mm Dynamic Drivers
Soft Silicone Ear Tips