Tralucent Ref 2 too

Transducers: 3 balanced armatures + 1 dynamic driver
Style: In-ear (For HiFi )
Frequency Range: 5 Hz— 30 KHz
Impedance: 70 ohm
Sensitivity: 127 dB
Maximum Power: 17 mW
Input Method: Bi-wire
Cable: OCC silver-plated copper + OCC copper hybrid cable(1.25m)
Plug: 3.5mm (24K Gold plated)
Pin: Dual 0.78mm 2-pin (24K Gold plated)
Housing: Transparent black resin shell + sparkly silver carbon fiber panel
Accessory: earphone cable*2 (for stereo / for bi-amp)
Weight: 7.5 g (each)