Head-Mounted Earphones With Dual Plugs For English Listening Test In Middle School | |
760 1. Speaker: 40MM 2. Frequency: 20HZ-20KHZ 3. Sensitivity: 105dB±3dB 4. Impedance: 32 ohm 5. Wire: 3.5PVC wire*2M±0.1M 6. Microphone: -38dB±3dB ![]() | |
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Target Prov.: All Provinces Target City : All Cities Last Update : Mar 13, 2025 4:39 AM Number of Views: 14 | Item Owner : exporter Contact Email: (None) Contact Phone: (None) |
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