Dongguan rayking electronics Co.,Ltd

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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...	2017-12-16
	The Most Popular Noise Cancelling Microphone Headset for Telecom Operators Model Number: RKHP128 Brand Name: Rayking Key Specifications/Special Features: Microphone headset details:Hearing protection: International standard hearing protection functionDirectional: UnidirectionalMicrophone sensitivity: -38dB±3dBMicroph...	2017-11-06
	Business black single ear headset, multiple plug with microphone with clip Model Number: RKT11-2 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113 ±3dB (at178mV1kHz)Impedance: 150 ±5Ω (at1kHz)Frequency response: 100Hz-10KHzDistortionfactor: ≤5% (at178mv1KHZ)Dimension: Φ28mmM...	2017-10-24