Buy.com has the iLuv i399 2.1-Channel Hi-Fi iPod Audio System with BluePin II Bluetooth Technology for $139.99 with Free Shipping. It is 2.1 channel iPod docking audio system with built-in woofer. It comes with a detachable BluePin. BluePin is a combination of Bluetooth TX and Bluetooth RX, whereby a user can connect BluePin to his or her BT mobile phone or BT headset.