Features: _x000D_Compact, small and lightweight, easy to carry anywhere anytime. _x000D_With the new Bluetooth 4.0 technology, the power consumption is extremely low. _x000D_Compatible mobile phones: For Android system requires 4.4 or above, for IOS system requires 7.0 or above, and supports Bluetooth 4.0._x000D__x000D_It is connected with the Bluetooth function of the mobile phone and the bidirectional search function can connect multiple anti-lost devices at the same time. _x000D_In the connected state, when the anti-lost device exceeds the set Bluetooth range, the mobile phone and the anti-lost device automatically alerts at the same time. _x000D_You can check the position of the map when the device is disconnected.Help users to find your misplaced or lost items quickly and save precious time. _x000D__x000D_Do not disturb function, you can set a period of silence to prevent interference with work and other important time. _x000D_Through the anti-lost device to control the phone's shooting function to achieve remote self-timer. As well as control the phone recording function. _x000D_ _x000D_Specification: _x000D_Item Type: Bluetooth Anti-lost Tracker _x000D_Color(Optional): white, black, red, blue, green _x000D_Battery: 1*CR2032 (Not Included) _x000D_Bluetooth Version: Bluetooth 4.0 Low Energy _x000D_Support systems: for IOS7.0 above; for Android 4.4 above; Models need to support bluetooth 4.0 standard _x000D_Working Distance: Within 10 meters (Barrier-free up to 20 meters in open space)_x000D_Scope: Cellphones, Wallets, Cars, Children, Pets And Other Ancillary Objects _x000D_Side length:3.8cm/1.5in _x000D_Weight: Approx.8g/0.3oz _x000D_ _x000D_Package list: _x000D_1 x Mini Bluetooth Tracker (battery Not Included) 1Compact, small and lightweight, easy to carry anywhere anytime. 2With the new Bluetooth 4.0 technology, the power consumption is extremely low. 3Compatible mobile phones: For Android system requires 4.4 or above, for IOS system requires 7.0 or above, and supports Bluetooth 4.0. 4It is connected with the Bluetooth function of the mobile phone and the bidirectional search function can connect multiple anti-lost devices at the same time. 5In the connected state, when the anti-lost device exceeds the set Bluetooth range, the mobile phone and the anti-lost device automatically alerts at the same time.