THE ORIGINAL SOUND MACHINE: Beloved by generations since 1962, the model features our fan-based natural white noise producing our signature sound the soothing ambient sounds of rushing air, without the disturbance of actual moving air. PLEASE NOTE: Marpac is now . You may receive a sound machine that says Marpac or . Rest assured, these are the same product.UNBEATABLE QUALITY & GUARANTEE: Sleeping is believing. For over 50 years, by Marpac has been the gold standard in white noise machines - read the reviews and you'll learn why. Assembled for decades in the USA and backed by a one-year limited warranty and the always exceptional customer service promise, we stand behind each product and offer you a 30-day return policy.APP ENABLED: Connect can be programmed to turn on automatically and can be adjusted remotely via your phone. Simply download the Marpac Connect app to control your device, change the volume, and set your sleep schedule - like the most soothing alarm clock you've ever experienced. The Marpac Connect app is only available for download and use in the USA and Canada.CUSTOMIZED SOUND EXPERIENCE: With 10-speed options for adjustable tone and volume, making it simple to create a personalized sound environment, excellently masking background noise and allowing for better sleep, office privacy, effective soothing for kids and babies, and calming for sound-sensitive dogs.SIMPLE TO USE: Powered by an included 12V power supply, just plug in the , manually turn it on or use the handy app, adjusting for your ideal volume and tone to find the best sound for you. Let the noise-masking magic happen for a natural sleep aid, office privacy, baby soothing, tinnitus relief, respite from noisy snorers and unfamiliar hotel rooms, and a relaxing calming balm for barking dogs.