USB Direct for easy MP3 music playback. Thanks to the complete file transferability, you can easily enjoy the convenience and fun of accessing more digital music via the built-in USB Direct. Bluetooth: Works with any Bluetooth-enabled device. Bluetooth is a short-range wireless communication technology that is both robust and energy-efficient. The technology allows easy wireless connection to other Bluetooth devices, so you can play your favourite music from any smartphone, tablet or even laptop including iPod or iPhone on a Bluetooth-enabled speaker easily. 2.1 Surround sound – Immersive sound experience Be at the heart of the movie and gaming experience and totally immerse yourself in sound. FM tuner for radio enjoyment The built-in FM tuner lets you enjoy your favourite songs or news from your radio station every day. Simply tune into the station that you want to listen to. Perfect for MP3, PC, TV, CD & more Connect your speakers to all your gear. A great way to listen to your MP3 player, PC, TV, CD, DVD and all your multimedia stuff.