- ClearChat Comfort/USB Headset, Noise Cancelling Microphone, Headphones for Computer (Black)
- 2017-11-19 19:46
- Model Number: RKAJ26-02 Brand Name: Rayking Key Specifications/Special Features: SpecificationSpeaker:Sensitivity: 113±3dB (at178mV1kHz)Impedance: 150±5Ω (at1kHz)Frequencyresponse: 100Hz-10kHzDistortionfactor: ≤5% (at 178mV 1kHz)Dimension: Φ28mm...
- Call Center Telephone with Noise Cancellation Headset
- 2017-10-22 22:19
- 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...
- Noise cancellation binaural headphone for call center, rayking factory high quality headset
- 2017-10-22 11:30
- Model Number: RKHP228 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...