Product specifications Size: 60 × 30 × 10 mm Bag specification: 7 × 12 cm Battery: 3 g per piece Android setup note: Steps vary by device, but the process is generally similar. First check the power saving mode on your Android device, and ensure the Loss Device App is whitelisted or marked as a protected program so it is not shut down by the system and does not trigger false alarms. Bare metal weight: 5.5 g per piece (unpowered) Key benefits Compact and light: small form factor (60 × 30 × 10 mm) with a lightweight 5.5 g bare metal weight, designed to be unobtrusive when attached to items. Simple compatibility guidance: clear steps to prevent false alerts by ensuring the Loss Device App remains active in the system's powersaving controls. Clear packaging size: bag size 7 × 12 cm, suitable for easy packaging and discreet concealment. What this device solves Reduces the chance of misplacing valuables by enabling quick location assistance through the Loss Device App. Helps prevent false alarms caused by automated app shutdowns on Android devices by advising whitelisting and protectedapp settings. Provides a compact, unobtrusive solution for securing small items. 23 practical use scenarios Travel and luggage protection: attach to bags, backpacks, or luggage to help locate them quickly if they are misplaced during transit or at the arrival point. Everyday item security: affix to keys, wallets, or small electronics to reduce loss in daily life at home, school, or work. Valuables during travel: secure cameras, small gear, or items during hotel stays, flights, and commutes, with reminders via the Loss Device App to locate them when needed.