Soundcast BCR404 BlueCast Bluetooth Receiver for OutCast Speakers Cutting edge - Bluetooth aptX, AAC lossless quality audio Simple to use - one button pairing then let the music play Custom - fits perfectly into the OutCast's mini jack housing, maintaining weatherproof seal Rechargeable - versatile USB based charging for 8-10 hours of playtime Convenient - Control your music from your phone or tablet