With the Philips BTB2515, you can listen to your favorite music at home. The stereo set is suitable for medium-sized rooms. You can use Bluetooth to wirelessly stream every single playlist from your smartphone or tablet. Thanks the Bass Reflex speakers, the songs have a powerful bass sound. This way, you can enjoy extra rich sound without having to connect an external subwoofer. You can use the USB input to play your digital music collection from a USB device. You can also use the USB input to charge your smartphone to listen to music while your phone is being charged.