Connectable with smartphones and tablets via Bluetooth. Not only children in elementary school will be thrilled by this sound system with its extensive features and excellent sound quality. The lithium-ion battery comes with a GS power supply charger. The latest technology is combined in a robust device, paired with a clear design. Favorite songs can be easily and intuitively played from external media. All common formats are supported, and additional information (ID3 tags) can be read. The high-quality sound system features a USB/SD connection and Bluetooth support for smartphones or tablets. Tracks can be selected via the player or the connected device. The switchable LED light effects in three colors, the two detachable microphones, and the built-in rechargeable battery create the ideal combination for fun karaoke parties. The ECHO function adds an extra entertaining effect. A HiFi experience that requires little space.