This is the Withings sleep analysis mat under the NOKIA brand. You can leave it in place and it analyzes your sleep just by sleeping on it, without having to be aware of the sensors. There's no hassle of sleeping with a watch on or having to charge and use a ring-type sensor. It's placed under the mattress, so it won't get dirty from sweat. It has been reset at the factory, so you should be able to start using it immediately after downloading the Withings app and completing the initial setup. - Brand: NOKIA - Product Name: Sleep Sensing & Home Automation Pad - Included Items: Charger, USB cable Thank you.