Sardine F1 Metal Dual Bluetooth Speakers Subwoofer Bass Speaker ( Original )TWS Metal Bluetooth SpeakerBluetooth Version : V4.2Out Power 3W+3WBattery Capacity :400mAh + 400mAhPlaying time:2-4 hours Charging time:1-2 hoursMicrophone: YesHands-Free: YesTWS : YesPackage include2 x Bluetooth Speak..