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parameter | describe |
Microphone | digital silicon mark |
Input voltage | 5V |
microphone battery | 40MAH |
battery endurance | 3-4 hours |
SNR | 64DBM adaptive noise reduction |
transmission delay | 30MS |
sensitivity | -42DB |
Frequency Range | 20-20KHZ |
Transmission distance | Barrier-free 15 meters |
Size/Packing | ||
Product dimensions (CM) | 12.1*8.1*3.1 | |
Product gross weight (Kg) | 0.075 | |
Packing quantity/weight (PCS/Kg) | 100PCS/box 8.1kg | |

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