Sandberg MiniJack Headset Bulk is a simple, stylish headset with a MiniJack connection. Can be connected directly to a smartphone or PC. Adapter for 2-connector connection included. The headset is ready for use immediately.

• Cable length: 1.8 metres
• Connector: 1 x 3.5 mm MiniJack plug, 4 pole
• Converter for PC: 3.5 mm female 4 pole MiniJack to 2 x 3.5 mm male 3 pole MiniJa 

Earphone:

• Driver unit: 40 mm
• Frequency range: 20 Hz – 20 kHz
• Impedance: 32 Ohm
• Sensitivity: 38dB ± 3dB

Microphone:

• Direction: Omni-directional
• Frequency Response: 30 Hz - 20 kHz
• Impedance: 2.2 kOhm
• Sensitivity: -42dB ± 3dB