
portable bluetooth speaker top sellers 2019 for amazon bt speaker wireless
Bluetooth Version 4.2 RF Range 10meters Charging Time Around 3h
Frequency 100Hz-20KHz Battery Built in li-on battery Playing Time around 8h
Distortion ≤0.5% Charging Voltage DC 5V Material Plastic
Signal-To-Noise >85±2db Working Voltage 3.3~4.5V Product Gross Weight
456g
Loudspeaker Output 6W
Microphone Built in Color Black





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