4-Pin RJ9 Binaural Headset, AGPtek Hands-Free Call Center Headphone for Desk Phones with Noise Canceling Mic + 3.5MM QD + Volume Mute

Description:
AGPtek 4-PIN RJ9 Headset and Telephone is a headset designed for call center telephones. It is Compatible for the most telephones. With flexible goose neck Mic boom, adjustable headband and soft ear pad, users will have comfortable wearing experience.

Features / unction characteristics:
Hands-free 4-PIN RJ9 Telephone Headset
High clear voice communication
150ohms speaker to ensure perfect voice quality
Headset head can freely telescopic, moderate elasticity, comfortable to wear
Super soft ear cushions make sure comfortable wearing
High durability, fully adapt to 7 x 24 hours for high frequency

Specification:
Color: Black
Microphone type: electrical condenser microphone(ECM)
Microphone sensitivity: 40db??3db
Microphone voltage: 2.0v
Receiver impedance: 150??10 ohm
Size: 10*5*8 (cm)