?Warranty Support?Please feel free to contact us if any question, we will offer you sincere after-sales service. ?High Quality?This Smart Tracker is made of ABS material (which is dustproof, waterproof, corrosion resistant), metal buckle (Not ordinary lanyard) and replaceable battery, it is sturdy and durable, replaceable battery powered for long term use, up to 1 year, you can also change the battery, it is environmentally friendly and sustainable use. ?Widely Applicable?These finder tags are suitable for keys, phone, wallet, handbag, selfie shutter device, you can remote control the smart phone camera of your by pressing on the finder button. ?Mini and Portable?This Bluetooth Smart Tracker measures 44*27*9mm/1.73*1.06*0.35in, 9.6g/0.02lb in weight, small and delicate, easy to carry, you can hang on all you want to know the location, no lost any more. ?Privacy Protection?Compared with other Android key finder, Baceyong Bluetooth key finder have wider range and precise positioning via Find My & bluetooth .If your lost item is nearby, tap the ring button on phone to help you find it quickly. Items lost from a distances can be tracked through the connected network, and you can check the location of the items on the mobile. Another advantage is that notifications are sent automatically via mobile phone when items are lost but others find it. ?Anti-lost and Multifunctional?This Bluetooth Tracker/item finder is connected via phone & Pad bluetooth(NOT FOR ANDROID), built-in speaker play sound can help find your things in nearby or home, you can keep tracking your items from a distance via Find My network (ONLY IOS 14.5 AND UP), the operation is simple and convenient, no need to add other APP, you can also open the lost mode, record lost location, rename your item, customize item icon.