Hands-free Headsets Noise Canceling Telephone Headphone

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Description:

and sharp voice communication.
most of call center telephone telephone.
Extremely soft cushion, make sure long time wearing comfortable.
Durable, suit for 7*24 hours using.
Earphone jack:

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

replacement speaker dust cap;Audio Speaker Cover;Woofer Loudspeaker Dome Paper;bass Cone Cover;Loudspeaker Dome Paper