Descriptions:
Output power: | 3W |
Frequency: | 90 hz - 20 KHZ |
Signal&noise ratio: | ≥80dB |
Impedance: | 4 OHM(Ω) |
Li-ion Output: | 5V |
Lithium battery capacity: | 400mAh |
Power: | USB or DC 5V adopter |
Li-ion Input: | 3.7V~4.2V+0.05V |
Speaker | phi 40 external magnetic 4 Ω 3 w |
Sensitivity: | 80 db + 2 db 10 m distance |




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