USB +3.5MM with VIBRATION HEADPHONE
1. Power Input: DC 5V 0.4A;
2. Frequency Response: 20Hz~20KHz;
3. Plug: USB+3.5mm;
4. Speaker: Φ50mm*32Ω;
5. Speaker Sensitivity: 125dB±3dB;
6. Mic Size: 4*1.5mm;
7. Mic Sensitivity: -54dB;
8. Mic Type: Omnidirectional;
9. Mic Impedance: ≤2.2KΩ;
10. Cable Length: 2.5m