Highlights Size: 3.9×3.9cm Power: Dry Battery Item Type: Anti-Lost Alarm Tracker Key Alarm Type: Bluetooth Anti-Lost Alarm Location History Trace your Car Bluetooth version: Bluetooth 4.0 Compatible: iPhone, iPod, iPad Mini, And Android system Fast & Easy way to find anything, using a smart device Product Description: 1. Find any lost item in 3 easy ways. 2. Sound and Light – track your item by sound and light. 3. 2 Way Tracking- activates an alarm on your smartphone [even if the ringer is off] to help you find it in seconds. 4. Replaceable battery 5. Works with any iOS/Android smart device. 6. 75 ft range What’s in the box: 1 x Anti-lost Device Weight: 0.2 SKU: 200730122302