Sandberg Bulk Headphone

Plug: 3.5mm minijack
Earpieces : Swivel, 90° adjustable.
Cable length : 1.8M
Speaker : 30 mm
Impedance : 32 ohms
Frequency range : 20-20,000 Hz
Magnet : Ferrite
Voice Coil : Copper
Rated Power Input: 40mW
Max. Power : 100 mW
Sensitivity: 100 ±3dB/mW at 1KHz
Channel unbalance : < 3 dB.
Distortion Rate: <1%