Wireless transmission range:10MAudio noise ratio:≥90dbBattery capacity:1200mAhVoltage:3.7VNormal volume playing time:5-6 hoursHorn specification; OD 52mm x2pcsThe speaker power:4 Ω / 10WFrequency response:120hz-20khzCarton capacity:100pcsCharging voltage:5V / 500MA
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