About Logistics this item ships from an international seller. Expected delivery is 10-15 days Product Features: Bluetooth connection with mobile phone two-way search function can be connected to 8 sets of Loss prevention device. In the connected state when the Loss prevention device exceeds the set bluetooth range the phone and the Loss prevention device will alarm at the same time. Mobile phone can check the map location when the Loss prevention device is disconnected. Provide the function of no disturb can set the silence within a certain period of time to prevent the interruption in work and other important time. Through the Loss prevention device to control the phone shooting function remote selfie. Through the Loss prevention device to control the phone recording function. bluetooth new 4.1 technology very low power consumption CR2032 button battery power supply standby more than 10 months easy to replace. Support IOS system and Android system 4.3 or above (bluetooth 4.0 required) Product Parameters: Type:Loss prevention Device Material: ABS Color: Pink Blue White Black Size: Approx 42x42x8mm（1.65x1.65x0.31inches） Battery: CR2032 Button Battery Wireless Distance: 15-20 meters Package Includes:1 x Loss preventiont Device