Portable Rechargeable Voice Amplifier Microphone Loudspeaker For Teaching Guide
1. LED display;
2. Output power: 5W;
3. Frequency response: 100Hz-13,000Hz±1db;
4. Current consumption: 150mA;
5. Output impedance: 3Ω;
6. Input signal:Wire MIC(-20dB 600Ω);
7. MIC Sensitivity: -47Dbv/Pa;
8. Power: DC 3.7V ,Lithium battery 600mAh;
9. Working time: 12-18H(MIC mode),
4-6H(Music mode);
10. Accessories: Gift box,Wire microphone,Waistband,Charger;
11. Product size: 11.38*9.0*4.55cm;
12. Red, Black.
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