Bluetooth 5.0 Streaming: Supports A2DP, AVRCP. Transmission Distance: 32 feet. FM Radio. Aux in Jack. 1 Amp USB Port for Charging. USB Flash Drive Memory Slot for MP3 Playback. Built-In Flashlight. Built-In Antenna and Handle. Output: 3.5W RMS. Built-In Rechargeable Battery: 4800mAh. 3-Way Power: Solar, USB, Rechargeable Battery.