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	Call Center Telephone with Noise Cancellation Headset Model Number: RK228 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB (at178mV1KHz)Impedance: 150±5Ω (at1KHz)Frequencyresponse: 100Hz-10KHzDistortionfactor: ≤5% (at178mv1KHz)Dimensions: Φ28mmMic:S...	2017-11-15
	Noise cancellation binaural headphone for call center, rayking factory high quality headset Model Number: RKHP228 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker :Sensitivity: 113±3dB(at178mV1KHz)Impedance: 150±5Ω(at1KHZ)Frequency response: 100Hz-10KHzDistortionfactor: ≤5%(at178mv1KHZ)Dimension: Φ28mmMic:S...	2017-10-04
	ClearChat Comfort/USB Headset, Noise Cancelling Microphone, Headphones for Computer (Black) Model Number: RKAJ26-02 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB (at178mV1kHz)Impedance: 150±5Ω (at1kHz)Frequencyresponse: 100Hz-10kHzDistortionfactor: ≤5% (at 178mV 1kHz)Dimension: Φ28mm...	2017-09-27
	Binaural call center headset, soft ear cover, retractable length noise cancelling Model Number: RKTD Brand Name: Rayking Key Specifications/Special Features: SpecificationBinaural call center headsetHP228RJ biliteral headphone,2800mm matti PU cable,USB connector,PU leather ear cover,Noise cancelling Shipping Inform...	2017-08-18
	Wholesale Noise Canceling USB Connector Headset Microphone for Computer Model Number: RKTU02 Brand Name: Rayking Key Specifications/Special Features: Microphone headset details:Hearing protection: International standard hearing protection functionDirectional: UnidirectionalMicrophone sensitivity: -52dBSpeaker impe...	2017-07-02

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