Magnetic Earpiece for Exam/Bluetooth Earpiece with Mic for Exam

Design: Intracanal
Product color: Black
Description: Design: in-ear, device type: earpiece, design features: microphone, operating time: 5 h
Working hours: 5 h
Talk Time: 4 h
Impedance: 15 ohm
Length of cable: 0.7 m
Design features: Microphone
Device type: Earpiece
Mount type: Neckband
Minimum repeatable frequency: 20 Hz
Wireless connection type: Bluetooth