Product size: 3.14x1.2x1.78 inches, mini USB speaker, save space, provide you with a tidy desk. $ The 47-inch USB data cable powers your laptop or computer, plug and play; the weight is 90G, light and portable, you can carry it with you$ Compatible with USB1.1 and USB2.0. Just plug the USB cable into the computer, no 3.5mm connection is required. Two stereo speakers can achieve a balanced sound effect, pure and three-dimensional, and can stand on a table when connected together. $ Immerse yourself in the rich sound of music, movies and games, because this speaker integrates dual speaker units to provide exciting stereo sound. Please remind: it has no volume control. $ It is suitable for your home, your office, school and any other places. It is also a perfect gift for your friends and family.