- China price call center headsets with USB plug
- 2017-09-17 08:22
- 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...