1. for Same Size Replacement Anti-Lost Device 2. Bluetooth 5.2, 3. Use CR2025 Button Battery And Support Replacement. 4. Work With Find My Global Positioning, Accuracy, Security 5. Any for Device (for , for And for ) In The Vicinity Of The Device Can He Tracked With The Find My Network (for , for And for ) Around The Device, You Can Use The Find My Network To Track Items.You Will See The Location In The App That Comes With Your Device. Battery:CR2025 Operating coltage: DC 3V Wireless:BLE 5.2 Battery Capacity: 170mAh Applicable Platform: for IOS Platform Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:White Material:ABS Package Contents: 1 x Locator 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.