The NIB Craig CMA-3747 Black & Green Portable Speaker is a sleek and modern rectangular-shaped speaker that utilizes Bluetooth wireless technology for connectivity. With its black and green color scheme, this portable speaker is perfect for on-the-go listening. The Craig brand is known for producing reliable electronics, making this speaker a great choice for anyone looking for a high-quality audio experience. The model CMA-3747 offers a seamless integration of wireless technology and stylish design, making it a must-have for music lovers.