<Usage History> ・Used for box opening and connection tests with a smartphone to confirm operation (operation confirmed). <Product Specifications> Please refer to the following manufacturer's HP: https://www.ankerjapan.com/products/t87b0?variant=44591532867745 Anker Eufy Security SmartTrack Link (Loss Prevention Tracker) 【No more lost items / Loss prevention tag / Item finder / Compatible with Apple's "Find My" (iOS devices only) / Find your phone / Prevent forgetting / Ring your phone】