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	Mono USB call center headset noise cancelling, multiple plug with microphone with clip Model Number: A16 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...	2017-10-28
	Double Ear Retractable Headset Microphone with Crystal Head Model Number: RKAJ26R Brand Name: Rayking Key Specifications/Special Features: Headset microphone details:Speaker:Sensitivity:113±3dB(at178mV1KHz)Impedance:150±5Ω(at 1KHz)Frequency response:100Hz-10KHzSpeaker distortion factor: ≤5%(at178mV 1KHz)...	2017-10-05
	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...	2017-09-22
	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...	2017-09-07
	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...	2017-09-03
	China price call center headsets with USB plug Model Number: RKAJ16 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB(at178mV1KHz)Impedance: 150±5Ω(at1KHZ)FrequencyResponse: 100Hz-10KHzDistortionfactor: ≤5%(at178mv1KHZ)Dimension: Φ28mmMic:Sens...	2017-08-16

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