Frame Material:Plastic Theme:Christmas Operation Mode:Electrical Display Type:Digital Special Features:Silent Clock Shape:Round Crown Shape:Flat Alarm Type:Music Alarm Power Supply:USB Charging (built-in Battery) Rechargeable Battery:Lithium Battery Material:Abs (acrylonitrile Butadiene Styrene) Battery Capacity (mAh):1800MAh Size:11.5cmx10cm(1cm=0.39 Inch) Color:Milky White Quantity: 1 Pcs