Wirelessly streams audio from your non-Bluetooth devices (such as MP3, MP4, TV and PC, etc.) to your Bluetooth headphones or speakers. Wireless technology ensures transmitting strong signal in high quality and high speed. Transmission distance is up to 10m / 33ft, free to enjoy wireless music. Ideal for Car Audio without Bluetooth or Home Audio without Bluetooth. Make sure you have Aux Port and USB port to make it work.