Model NO.: YLBS-506,bicycle bluetooth speaker,mini bluetooth speakerSpecification   Technical Parameter:1.Dimension:150*125*43mm2.weight:223g3.Version:2.14.Frequency:2.402-2.480GHz5.Max Power Output:3W6.MIC Sensitivity MID:-32db7.Receiving Sensitivity:Better than -82dBm8.Distance:10M9.Data Transmission:Up to 3Mbps(over the air)10.UART Data Transmission:115200bps11.Charging Voltage:3.7V–4.2V DC12.Working Voltage:4.8V –5.5V DC13.Current working:200mA14.Quiescent Current:>1UA15.Battery Capacity:600mAh16.Charging time:about 2 hours17.Play time:3-4 hours18.Material:ABS19.Color:optionalPayment: L/C, T/T, Western Union, PaypalDelivery Detail: sample order 3-5days,bulk order need 20-30 days.