Square Wireless Smart Bluetooth Tracker

This Smart Bluetooth 4.0 Tracker is made of ABS and also works as a selfie remote. It can chain your easy-lost & valuable belongings(such as mobile phone, keys, pets, wallet, etc.) together and work with smart phone to realize the function of anti-lost reminders and search. Compatible for ios 11.0 or above and Android 8.0 or above System. Its button battery can be easily purchased in major markets and stores. The effective use distance of the anti-lost device can reach 15 meters in an open area.