The Thor Black Sofa has a stylish contemporary design with amenities for the modern world. This sofa features a chrome frame, leatherette upholstery and a built-in USB charging port on the outside of each arm rest. The Thor Black Sofa has an elegant minimalist form with high quality finishes and the added convenience of USB charging ports. It will look great in modern themed interiors. Sofa must be plugged in for chargers to operate.