Elegant Room Bluetooth Speaker

Output voltage: 3.7V-4.2V
Output power: 40mm, 3W*2+vibrating diaphragm
Input: 5.0V
Loud speaker: 40mm, 3W*2
Signal and noise ratio (SNR): 80dB
Frequency response: 20HZ-20kHz
Output distortion rate: ≤0.5%
Battery: 2200mAh
Material: ABS plastic
Color: blue/black/green/OEM

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