Features:
Compatible for the most telephones in call center
Headset head can freely telescopic, moderate elasticity, comfortable to wear.
Super soft ear cushion, make sure to wear comfortable.
High durability, fully adapt to 7X24 hours for high frequency.
CID of FSK/DTMF.
Volume adjustment, noise-canceling.
Microphone type:electret condenser microphone(ECM)
Microphone sensitivity:40db±3db
Microphone voltage:2.0v
Receiver impedance:150±10 ohm
Package Included:
1 x Hands-free Headphone
