Type: Closed dynamic headphones with 10.5 mm unit to create dynamic bass
Frequency Response: 10 - 24,000 Hz
Impedance: 16 ohm
Maximum Input Power: 100 mW
Sensitivity: 108 dB
Driver Unit Diameter: 10.5 mm
Plug: Gold-plated, 3.5mm 4P
Cable Length: Y-type 1.2 m with silver plated OFC litz wire (L-Plug) for extended high frequencies
Features: Elastomer cord and slider to prevent cord tangling & Cord clip
Accessories: 2 sets of earphone tips (XS / S / M / L), 0.5m extension cord (L-type Plug) & Storage pouch
Weight (without cord): 7 g
Different colours available
Edit: $4.77 Shipping for Sydney metro
$9 each not bad