1.Help To Reduce Radiation 2.With the volume control buttons, and the mobile phone operation synchronization

Original function:With the volume control buttons, and the mobile phone operation synchronizationWith the answer/hang up button, and use more conveniently

Specification data sheet

DESCRIPTION	SPECIFICATION
Overall Size	D15.0*H4.0
Impedance	150 ohms
Application	Telecommunication
Power Rated (Max.)	100 (170)mW
Diaphragm	PET
Sound Pressure Level	93 +/-3 dB
Magnet	NdFeB
Frame	Plastic
RoHs Compliant	Yes
Features	Small Size, Low Frequency

Best price for wired telephone receiver