Enjoy dynamic audio with the LG CK43 300 Watt Hi-Fi Bluetooth Shelf System. It delivers up to 300W of total power from its two 2-way speakers. Bluetooth is built-in for wireless music streaming from compatible devices like smartphones and tablets. The CK43 has two USB ports that support audio playback from compatible USB drives. The RCA input allows you to connect a more traditional audio source, and the integrated FM tuner allows you to enjoy free over-the-air radio programming. The built-in CD player supports MP3- and WMA-encoded CDs.