AGPtek Bluetooth V4.1 EDR Receiver provide higher quality and much clearer stereo sound than old Bluetooth 3.0/2.0 receiver.It is designed to provide a simple hands-free solution for answering and receiving phone calls while on the go. We upgrade the product to make the product more smart. Just simple operation, normal car speaker become hands-free Bluetooth speaker magically, portable for vehicle mounted systems. The Steamboat Mini will come with more user-friendly design, more stable material and more clearly audio quality. And give you the better product experience.