QFX PBX-61120BT Bluetooth Portable Tailgate Speaker FM radio, USB/SD player and remote control 12 inch woofer includes two 1/4 inch TRS Microphone inputs Integrated 36mm pole mount socket can be stand mounted but requires a large footprint tri-pod type stand Metal grill-covered speaker, handlebar and wheels for ease of transport Battery life on half volume is approximately 6 hours