- Audio Tube Kits with High-quality Acoustic Tube Convey Voice, Make you Have Better Sense of Hearing
- 2017-09-05 23:25
- Model Number: JH-804-1 Brand Name: NIER Key Specifications/Special Features: SpecificationSpeaker:Speaker size: 16mmFrequency response: 200-5000HzSound pressure level: 90dB±3dBImpedance: 90Ω ±10%Audio output: 100mWMicrophone:Microphone size: 9.7...