The Sleepbox White Noise Machine by OB is a compact and lightweight device available in two colors: black (SWN-01) and white (SWN-02). Measuring 2 inches in height and 4 inches in length and width, this white noise machine is designed to create a soothing and calming environment for improved sleep quality. Manufactured in China, this machine is perfect for creating white noise for relaxation and meditation. With a sleek design and a weight of only 1 pound, the Sleepbox White Noise Machine is a convenient and effective tool for achieving a better night's sleep.