10" Portable PA System with Bluetooth. In addition to its exceptional sound quality for this product category, this portable system offers important features like High autonomy due to its built-in rechargeable battery and dual power supply (12V & 220V), Versatility due to a retractable handle and wheels, total freedom of movement in any application due to the high end UHF microphone, A remote control and various in and outputs to suit all kinds of sources including USB/SD/MMC-MP3 and a Large back-lit display showing ID3 information to name just a few. Protective cover bag included.