Product description: 1.Loudhailer diameter:40mm(NdFeB) 2.Frequency range: :20-20.000Hz 3.Sound effect: 7.1 simulated sound…
Product description: 1.Loudhailer diameter:40mm(NdFeB) 2.Frequency range: :20-20.000Hz 3.Sound effect: 7.1 simulated sound…