Samsung HT-WDC10/XAA Wireless iPod/iPhone Dock and Cradle Available run time: 180min  30min (may differ depending on the condition of the iPod or iPhone) 90min approximate charging time 1/4" W x 1/2" H x 1/4" D Compatible with HT-D6730W, HT-D6500W, HW-D550, HW-D551 AND HW-D450