The Belun® Ring helped me detect sleep apnea comfortably at home! My overweight problem causes snoring. Now with regular exercises with weight loss, I have solved the problem of snoring, and so as sleep apnea. - Mr. KM Yiu, Belun customer With Belun® Ring , you can monitor your sleep and start tackling your sleep problem. After wearing Belun Ring for 3 nights, you will receive a report about your sleep health conditions. Details: Upon receiving your order, we will deliver a Belun Ring to your address. You will wear the Ring for 3 nights when you sleep. We will collect the Belun Ring from your address upon finishing the 3-night test. After data analysis, we will send a sleep report to you and arrange a debriefing session. How to use: Available in Hong Kong only. Please contact us if you would like to order home sleep test in your country.