WHOOP BAND

Detailed Description.

This appears to be a Screenless Fitness Band or Smart Health Bracelet kit, often sold under various generic brand names like "Mr Gadget".The kit

 Typically includes a screenless tracker unit, multiple interchangeable nylon bands, and a USB charging cable.These

 Bands generally track metrics such as heart rate, blood oxygen levels, sleep cycles, and daily steps, often syncing via Bluetooth.