- Wired communication condenser desktop microphone electret 3.5mm port
- 2017-12-21 16:21
- Model Number: RKCM-9403 Brand Name: Rayking Key Specifications/Special Features: Specification:Productparametersensitivity‘-55db±2dbimpedancelessthan2.2kΩpolarpatternomni-directionalfrequencyresponse’50hz-16khzstandardvoltage1.5vworkvoltage1.5vS...
- Electric use USB headset for calling center, China factory price
- 2017-11-30 05:50
- Model Number: RKT11-1 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113 ±3dB (at178mV1kHz)Impedance: 150 ±5Ω (at1kHz)Frequency response: 100Hz-10KHzDistortionfactor: ≤5% (at178mv1KHZ)Dimension: Φ28mmM...
- Durable call center headset with comfortable ear cover binaural and microphone
- 2017-10-18 16:25
- Model Number: RKSP268-1 Brand Name: Rayking Key Specifications/Special Features: Specifications:Speaker:Sensitivity: 113±3dB (at178mV1kHz)Impedance: 150±5Ω (at1kHz)Frequencyresponse: 100Hz-10kHzDistortionfactor: ≤5% (at178mV1kHz)Dimension: Φ28mm...
- Wholesale Noise Canceling USB Connector Headset Microphone for Computer
- 2017-09-29 17:03
- Model Number: RKTU02 Brand Name: Rayking Key Specifications/Special Features: Microphone headset details:Hearing protection: International standard hearing protection functionDirectional: UnidirectionalMicrophone sensitivity: -52dBSpeaker impe...
- The Most Popular Noise Cancelling Microphone Headset for Telecom Operators
- 2017-09-19 18:16
- Model Number: RKHP128 Brand Name: Rayking Key Specifications/Special Features: Microphone headset details:Hearing protection: International standard hearing protection functionDirectional: UnidirectionalMicrophone sensitivity: -38dB±3dBMicroph...