Highest Quality Guaranteed: We have developed this unique device to harness the best peaceful audio to help you and your family get those forty winks. However if you aren't satisfied?? simply return our product within 30 days for a full refund!</br>With adjustable volume settings the Ocean?? Thunder?? Summer Night?? Tropical Forest?? Rain?? Fan?? Brook?? Heartbeat & White Noise soundwaves can disrupt the silence or external loud acoustics - making it easy to drift off to dream land!</br>Safe to use in the Bedroom or the Little One's room?? it can run all night or it can switch off with its Auto-Off Timer function. You can also use it for soothing your Pet helping them to wind down and reduce anxiety.</br>Simply Plug in with included USB adapter Power Plug or it can travel with you on your holiday or business trip - being Portable (batteries not included) it uses less power than other machines on the market making it very cheap to run.</br>SleepTones harne