- SP268 Highest Quality Dual Ear Call Center Telephone Headset with Noise Cancellation Microphone
- 2017-12-28 22:17
- 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...
- China manufacture outlet call center headset single ear with mic
- 2017-12-04 17:35
- 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...
- Durable call center headset with comfortable ear cover binaural and microphone
- 2017-11-25 18:13
- 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...
- China price call center headsets with USB plug
- 2017-11-19 00:31
- 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...
- China manufacturer low price single ear headsets clip-on shirt for call center
- 2017-11-11 01:51
- 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...
- Business black single ear headset, multiple plug with microphone with clip
- 2017-10-03 08:38
- 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...
- Wholesale Noise Canceling USB Connector Headset Microphone for Computer
- 2017-08-26 04:51
- Model Number: RKTU02 Brand Name: Rayking Key Specifications/Special Features: Microphone headset details:Hearing protection: International standard hearing protection functionDirectional: UnidirectionalMicrophone sensitivity: -52dBSpeaker impe...
- Multiple plugs handsfree binaural headsets with mic
- 2017-07-04 09:59
- 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...