Older models, but crazy cheap prices. These were kind of polarising when they were released, would pay to do some research before deciding if these are going to suit your preferences. These are not for bass heads.
Specs:
Transducer type: dynamic
Operating principle: closed
Frequency response: 5Hz - 40,000Hz
Impedance: 250Ω (T 70) / 32Ω (T 70 p)
NominalSPL: 104dB (1mW / 500Hz)
Nominal T.H.D.: <0.05% (1mW / 500Hz)
Power handling capacity: 200 mW
Max. SPL: 127dB (200mW / 500Hz)
Sound coupling to the ear: circumaural
Ambient noise attenuation: 18 dB
Headb and pressure: 2.8N
Weight without cable: 330g
Cable: 3 m (T 70) / 1.2 m (T 70 p) / single-sided
Connector: gold vaporised mini stereo jack plug (3.5 mm) & 1/4" adaptor (6.35 mm)
Accessories: carrying case (T 70/T 70 p); inflight adaptor (T 70 p)
Link for the T70P
If they're anything like the T1, the treble will rape your ears til they bleed. Seriously unpleasant headphones, IMO.