1.Diameter of Speaker: φ40mm
2.Impedance: 32Ω±15%
3.Sensitivity: 110±3dB
4.Frequency Range: 20Hz~20kHz
5.Dimension of Speaker: φ6.0×2.2mm
6.Sensitivity: -38±3dB
7.Impedance: 2.2KΩ
8.Cable Length: 2.0M±5%
9.Working Current: ≤100mA
10.Plug Type: USB+3.5mm
11.Color: red,blue
