Description The anti lost bluetooth button is a product based on the latest bluetooth 4 0 low power consumption It can connect with the userseasy to lost items such as key handbags pet and other items through a dedicated APP on the mobile end software settings to realize the goods loss prevention Even you can also hang this button to your young children ensure that children in your sight range Or hang on your pets will not have to worry about their lost Specification Size 4 5cm x 4cmMaterial ABSBattery 1 x CR2032Package Included 1 x Anti lost Tracker1 x English Manual1 x HookWill Come with Original Box