Features:\r\n True Wireless Pairing for 2 Speakers\r\n USB, Micro SD Card, AUX, Mic & FM Radio Inputs\r\n Up to 7 Hours of Playtime\r\n Fixed Carry Handle for Portability\r\n High-Capacity Lithium-Ion Battery\r\n Powerful Sound Output with Tweeter and Dual Subwoofers\r\n\r\nSpecifications:\r\n\r\n Bluetooth Version: V5.3\r\n Chipset: MVSILICON BP1048B2\r\n Battery: 11.1V, 4400mAh Lithium-ion\r\n Charging Time: 10 Hours (5V, 2A Input), 5 Hours (5V, 3A / 9V, 2A Input)\r\n Playtime: 7 Hours at 50% Volume, 5 Hours at 100% Volume\r\n Max Size for SD Card Input: 64GB\r\n Max Size for USB Drive Input: 64GB\r\n Microphone Input: 6.35mm\r\n Total Power Output: 60W RMS