Sennheiser TeamConnect Wireless mid-size Audio Conferencing System with Tray based charger, TC-W Master & 1 x TC-W Satellite, TC-W Tray (Storage and Charging), 2 x BA 100 Battery for TC-W Satellite Wireless, NT 12-10BW Power Supply for TeamConnect Wireless Charging Station, Micro-USB Type B to USB Type A Cable, 2.5 to 3.5mm Jack Cable