- The Most Popular Noise Cancelling Microphone Headset for Telecom Operators
- 2017-08-21 19:13
- Model Number: RKHP128 Brand Name: Rayking Key Specifications/Special Features: Microphone headset details:Hearing protection: International standard hearing protection functionDirectional: UnidirectionalMicrophone sensitivity: -38dB±3dBMicroph...
- Mono USB call center headset noise cancelling, multiple plug with microphone with clip
- 2017-08-05 11:25
- 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...
- Business black single ear headset, multiple plug with microphone with clip
- 2017-07-12 05:57
- 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...