Hands-free Call Center Office Noise Cancelling RJ9 Plug Headset

Description: High clear and sharp voice communication. Compatible with most of call center telephone and digital telephone. Extremely soft cushion, make sure long time wearing comfortable. Durable, suit for 724 hours high frequency using. Earphone jack: RJ9 Specification: Type: Headset Color: Black Material: ABS Whether wireless headphones: wired headphones With or without a microphone: Yes Sound principle: dynamic circle Frequency response range: 18-20000 Hz Impedance: 150 Ω Sensitivity: 118 dB Distortion rate: 0.1 % Wire length: about 2 m Number storage function: Yes Uses: ordinary headphones, professional custom, universal, noise canceling headphones, voice headphones, computer headphones, traffic headsets Package Includes: 1 Piece Headset