Before you use this App, the compatible devices are below. iNAP One device has received regulatory clearance or license in the USA, EU, Taiwan, Thailand, Hong Kong, Malaysia, Singapore, and Australia. The first compatible Oximeter (Model: TD-8255) has received regulatory clearance or license in the USA, EU, Taiwan, and Japan. The second compatible Oximeter (Model: PC-68B) has received regulatory clearance in the USA. If you are NOT in these countries, you need to confirm the availability when yo