Rare original Apple Bluetooth Headset black. Approx year 2007, serial no. 2B749739XAP comes with Dual Dock base for earlier iPhone models, charging/pairing travel cable. Green and Ambra leds are working, button too. The battery is working but haven’t paired and used the headset with my new iPhone as connectors are different (no lightning). Dock charging base and charging/pairing cable are working and included with original box and transparent plastic internal packing base. User’s guide and Apple document are included. Article is sold as “collectors item”.