Technical Information:

Impedance: 38 Ohm

Sensitivity: 99dB/mW

Amplifier requirement: No, unless your phone is absolute poop

Detachable Cable: Yes

Target Headphone Loudness: 110,0 dB Sound Pressure Level

Power Required: 12,59 Milliwatts

Voltage Required: 0,6917 Volts

Current Required: 18,20 milliamps