【Dual-Way Smart Tracking】Easily locate your phone or the device within the connection range using the mobile app or by double-clicking the device button. 【Wide Connection Range】Enjoy an effective indoor range of 10-15m and an outdoor range of 20-50m without obstacles for reliable connectivity. 【Last Known Location】The app records the last disconnected location, helping narrow down the search area when out of range. 【Remote Camera Control】Single-click the device button to take photos through the app, adding convenience to your photography. 【Compact and Portable】Lightweight design allows for effortless carrying, available in multiple colors to suit your style. 【Bluetooth-compatible 5.2 Technology】Utilizes the latest Bluetooth-compatible version for stable and efficient connectivity with your smartphone. Specifications: Material: ABS Dimensions: 50*26*10mm Weight: 9.6g Bluetooth-compatible Version: 5.2 Compatible Versions: iOS 7 and above/Android 4.4 and above App: iSearching Effective Range: Indoors: 10-15m, Outdoors: 20-50m (unobstructed) Battery Type: CR2032 button cell