- China manufacturer low price single ear headsets clip-on shirt for call center
- 2017-12-21 12:32
- 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...
- The Most Popular Noise Cancelling Microphone Headset for Telecom Operators
- 2017-11-21 01:56
- Model Number: RKHP128 Brand Name: Rayking Key Specifications/Special Features: Microphone headset details:Hearing protection: International standard hearing protection functionDirectional: UnidirectionalMicrophone sensitivity: -38dB±3dBMicroph...
- Multiple plugs handsfree binaural headsets with mic
- 2017-10-30 23:51
- Model Number: RKT12 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB(at178mV1KHz)Impedance: 150±5Ω(at1KHZ)Frequencyresponse: 100Hz-10KHzDistortionfactor: ≤5%(at178mv1KHZ)Dimension: Φ28mmMic:Sensi...
- Double Ear Retractable Headset Microphone with Crystal Head
- 2017-09-25 03:18
- 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)...
- China manufacture outlet call center headset single ear with mic
- 2017-08-12 21:54
- Model Number: RKT11-02 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB (at178mV1KHz)Impedance: 150±5Ω (at1KHZ)Frequency response: 100Hz-10kHzDistortionfactor: ≤5% (at178mv1kHz)Dimension: Φ28mmMi...
- Call Center Telephone with Noise Cancellation Headset
- 2017-08-10 10:33
- 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...
- Durable call center headset with comfortable ear cover binaural and microphone
- 2017-07-23 23:40
- 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...
- SP268 Highest Quality Dual Ear Call Center Telephone Headset with Noise Cancellation Microphone
- 2017-07-07 21:00
- 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...