Manage tinnitus with this small and powerful white noise machine all day. Whether you need a quiet low level sound to mask tinnitus or just sounds to help you concentrate, the world's smallest white noise machine is for you. White noise is a natural, clinically proven sound that helps people sleep and concentrate better. Perfect for improving sleep, blocking noise, managing tinnitus, dorms with 10 different tones of white noise – just scroll through the selection to pick your perfect tone. Compact white noise machine Less than 2” long On/off button Rotary volume control 3.5mm headphone jack (use the included ear buds or plug in your own earbuds/headphones) Provides up to 30 hours of use on a full charge Charge indicator light Belt clip (device attaches to your belt, pocket, backpack, etc.) Sound selection button (choose from 10 tones, from low pitch to high pitch) Continuous relaxing sound (no loops) Includes travel case Includes ear buds Ideal for work, studying, air travel, tinnitus therapy and more Charges via USB with includes cable