[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