The LAYEN BTR-S Bluetooth Audio Receiver / Transmitter is a vital asset for your audio set-up. It provides a 2-in-1 solution for streamlining your music wirelessly, via Bluetooth. You can either use it as a transmitter, to turn a non-Bluetooth device such as an old iPod, TV, laptop etc Bluetooth enabled. Or it can it can be used as a receiver to turn a non-Bluetooth dock or speakers Bluetooth, so you can stream music from your smartphone or tablet. It can be used with any device with an Aux input / connection.