Wireless portable Bluetooth speaker streams from an enabled device. USB and Micro SD inputs play non-Bluetooth devices and files. 3.5mm Auxiliary input connects wired external devices. Convenient LED torch light illuminates the space around you. FM radio with 88-108MHz. Solar panel on back recharges speaker in 5-6 hours. Fan with 3 wind speeds: low medium high. 360-Degree antenna. Built-in Lithium 1200mAh rechargeable battery. Solar power: 5V-1.5W. Output power: 4W. Includes shoulder strap and charging cable.