Intelligent two-way search:Use the mobile app to connect;Tap the phone and the device will sound an alarm. Click the product button, the phone will also emit a tone.Location histoy:The APP will automatically record the location when the connection is disconnected Make it easy to find lost items85DB High Volume:The sound is up to 85db, and the work diameter can reach 10-15 meters.Easily find objects with a click:Click seach. Open the aPp and find the corresponding object finder. Click to find the object and the sound will guide you to find it.Use range: keys, wallets, pets, bags, suitcases, etc.Colour:WhiteMaterial:plasticBattery: 1-year Replaceable CR2032Belde: 164 ft/50mVolume: Luider Ring productMeasure: 42x40x10mmPackage Contents:2 * Smart AirTag1 * English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.