The listing, BLE Bluetooth Tracking Device, FAST FREE SHIPPING!!! has ended.
BLE Bluetooth Tracking Device (tracker can stay in near constant communication with your smartphone (which isn’t particularly taxing to either your phone battery life or the device’s battery thanks to how truly low energy the whole exchange is). Because the tracking devices stay in constant communication with your phone then it’s easy for your phone (when paired with the appropriate software from the tracker vendor) to sound the alarm when you become separated from tracker and the object it’s attached to.) Battery life is 4 to 6 months and is a simple easy to replace watch battery.