Microgadgets Exam Lite magnetic earpiece wired on a battery with a built-in microphone

Weight: 100 g
Design: Magnetic
Product color: White black
Description: Design: magnetic, device type: earpiece, design features: microphone, straight plug, plug connector: mini jack 3.5 mm, operating time: 4 h
Plug connector: mini jack 3.5 mm
Working hours: 4 h
Design features: Microphone, straight plug
Device type: Earpiece
Mount type: Without attachment