Mid-century modern Bulova Astor Mantel Clock is crafted of ebony oak veneer with sleek silver accents with smooth-sweep second hand and Bluetooth wireless speaker system that allows you to stream music, podcasts, and more from your phone or tablet. It has a USB cable and universal charger for worldwide use. Brushed silver engraving plate can be engraved (engraving charged separately). Rechargeable speaker batteries are included. Clock is quart powered.