Bluetooth Versio:2.1 Watereproof Grade:IP65 Battery Capacity:300mAh Playing Time:3-5hours Charging Time:2hours Loudspeaker Output:4Ohm 3W Size:180*50*50mmwith tail Material:ABS+Silicone Distortion:<1% Frequency Range:75HZ-20KHZ Charging Voltage:5V Bluetooth Versio:2.1 Watereproof Grade:IP65 Battery Capacity:300mAh Playing Time:3-5hours Charging Time:2hours Loudspeaker Output:4Ohm 3W Size:180*50*50mmwith tail Material:ABS+Silicone Distortion:<1% Frequency Range:75HZ-20KHZ Charging Voltage:5V