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	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...	2017-12-16
	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...	2017-11-10
	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...	2017-09-13
	China manufacturer low price single ear headsets clip-on shirt for call center Model Number: RKT11 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB(at178mV1KHz)Impedance: 150±5Ω(at1KHZ)Frequency response: 100Hz-10KHzDistortionfactor: ≤5%(at178mv1KHZ)Dimension: Φ28mmMic:Sens...	2017-08-17
	SP268 Highest Quality Dual Ear Call Center Telephone Headset with Noise Cancellation Microphone Model Number: RKSP268 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB(at178mV1KHz)Impedance: 150±5Ω(at1KHZ)Frequencyresponse: 100Hz-10KHzDistortionfactor: ≤5%(at178mv1KHZ)Dimension: Φ28mmMic:Sen...	2017-07-23

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