Bluetooth V4.0 A2DP Stereo Audio Music Receiver w/ 3.5mm Jack / Mini USB - Black + Silver
Perfect appearance; Easy operation; Receiver and earphone can be used independently; Super long receiving range up to 20m; Clear talking sound; Can make common speaker to a bluetooth speaker; With clip on back convenient to use; Can be powered by plug adapter or USB; Built-in battery; Suitable for devices w/ bluetooth.