Avoid all the hassle of wireless connections and dead batteries and choose the Sandberg Saver MiniJack Headset Large large headphones. You are guaranteed excellent sound on a reliable connection. The flexible microphone on the arm ensures perfect voice recording. In addition, the volume control is easily accessible on the cable.

Specifications:
Model: 325-28
Built-in microphone and answer button
Comfortable to wear
Input: 3.5 mm mini jack
Cable length: 2.5 m
Speaker: 40 mm midrange
Impedance: 32 ohms
Frequency range: 20-20,000 Hz
Sensitivity: 108 ±2dB
Microphone sensitivity: -36dB ± 2dB
Material: ABS + PVC earphones