This Aukey Bluetooth Audio Receiver drops from $19.99 to $11.99 when you enter our exclusive code BD8 during checkout at Rack to Door. Shipping is free. Similar ones sell for $17 or more elsewhere. This transmitter and receiver allows you to stream Bluetooth audio to home or car speakers, headphones, and more. The dual device link provides connections for up to two devices at once. It also features a built-in microphone.