Specifications:Bluetooth support: V 3.0 +EDRRange: 10 metersTransmitting frequency: 2.4G HZPower supply: DC5V/100-120mABattery: 3.7V 400mAh lithiumCharging time: approx. 3 hoursOperating time: approx. 6 hoursIP grade: IP x 4Frequency response: 100HZ-20KHZOutput: 3wS/N Ratio: >75dbDistortion: <1.0%Weight: 197gSpeaker Size: 85*85*45mm Specifications:Bluetooth support: V 3.0 +EDRRange: 10 metersTransmitting frequency: 2.4G HZPower supply: DC5V/100-120mABattery: 3.7V 400mAh lithiumCharging time: approx. 3 hoursOperating time: approx. 6 hoursIP grade: IP x 4Frequency response: 100HZ-20KHZOutput: 3wS/N Ratio: >75dbDistortion: <1.0%Weight: 197gSpeaker Size: 85*85*45mm