remote control: NO built-in microphone: NO power source: Battery Output Power: 5W Battery Capacity(mAh): 1000-2000mah estimated battery life: 15-20 hours battery: Yes BT Wireless: Bluetooth v5.3 model number: ES10 Power Input (V&A): 5V1A Impedance (Ohms): Bass 4 ohms Bluetooth QDID Number: 4 GO Battery Type: 18650 Lithium battery Sensitivity (dB): 80DB Cord Length: 30CM Plug Size: TYPE-C /3.5AUX Wireless Range: 10m Battery Charging Time (Hours): 4~5Hours Waterproof Grade: IP67