Elegant and stylish looking plastic moulded cabinet with Trolley System. Two Mic inputs, Two Wireless Mics, one Aux input & one Music input. Built-in 305 mm (12″) 4W speaker & 8W HF driver. Mic 1 has selectable priority over all other inputs. Built-in MP3 Player with Bluetooth, Recorder and remote control. Built-in Digital Echo. Active Bass & Treble controls. LED indications for low battery, charging & clip output. Facility of auto cut-off to prevent battery from deep discharge.Three power source operation (AC mains, External 12V DC or built-in 12V 7Ah rechargeable battery).