Specifications: This Bluetooth locator is very thin and light, which can be carried around to help users find wallets, keys, mobile phones, purses and other items. It also has the function of reminding lost items, which is very suitable for daily life, office and travel. Using low-energy Bluetooth chip, stable performance, extremely low false alarm rate, long standby time, the anti-lost device is easy to use, which is suitable for iOS7, for Android 4.3 and higher versions, Bluetooth 4.0 and higher versions of Bluetooth version machine types. This Bluetooth anti-lost device is a smart product with ultra-low energy consumption, high performance, two-way anti-lost, anti-forget, one-key tracking, lost location, shared management, network search, multi-task management and other practical functions. The APP display language follows the language of the mobile phone operating system, for example, an English APP with a mobile phone system will automatically be displayed in English. This is a two-way anti-lost alarm, which can control the phone camera and recording function, and easily get the approximate location of the lost item. The battery has a long life and is easy to replace to meet your daily needs. Item Name: Anti-Lost Device Material: Plastic Bluetooth Version: V4.0 Battery Capacity: 210mAh(Included) Bluetooth Distance: 20 to 50 Meters(Barrier-Free) Use Time: The Longest Use Time is 180 Days Compatible System: Suitable for iOS5 and higher, suitable for Android 4.3 and higher and Bluetooth 4.0. APP Software: Scan and Download the QR Code Supported Languages: English, German, French, Spanish, Portuguese, Japanese, Korean, Italian, Arabic Features: Easy to Carry, Bluetooth Connection, Strong Practicability, Two-Way Anti-Lost, Positioning & Recording Locator Size: 4.2cm x 4cm x 1cm/1.65" x 1.57" x 0.39" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Anti-Lost Device 1 x User Manual 1 x Keychain