Vsonic's flagship earphones and they're a serious contender in the price bracket.

This is the new MKII version with improved cable and tons of spare tips!

Plenty of reviews on the web!

Drivers: 11mm CCAW high dynamic transducer with multi-layers bio-cellulose diaphragm
Rated Impedance: 50Ω +/- 10%
Sensitivity: ≥105dB (@ 500Hz)
Frequency Response: 7Hz—30,000Hz
Distortion: Channel Imbalance: ¥__12.5KHz)
Input: 10mW
Max. Input: 50mW
Stereo Plug: 3.5mm 8μ 24K Gold Plated

Cable: 1.30M Silver Cable