About this item: In the connected state, when the tracker is out of the set Bluetooth range, the mobile phone and the tracker alarm at the same time. Bluetooth 5.0 technology, extremely low power consumption, the standby time is expected to be more than 6 months, and it is easy to replace. Connect to mobile phone Bluetooth function, two-way search function, can connect multiple locator devices at the same time. Locator device to view map location while disconnected on phone. Fashionable and exquisite pager appearance, colors can be matched with each other, providing unlimited combination imagination space. It's light and compact, easy to pick up and effortless. The product weighs only 7 grams. Take it with you wherever you go. Bluetooth version: Bluetooth 5.0 Using system: FOR IOS/Android Standby time: 6 months Effective distance: 15 meters Material: ABS colour: As Shown Package Contents: 5 x Portable GPS Tracker(1pcs each in black, white, pink, orange, ink blue) Only 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.