Description: The anti-lost Bluetooth button is a product based on the latest Bluetooth 4.0 low power consumption, It can connect with the user's easy to lost items (such as: key, handbags and other items) through a dedicated APP on the mobile end software settings, to realize the goods loss prevention; even you can also hang this button to your young children, ensure that children in your slight range; Or hang on your pets, will not have to worry about their lost. Features: 1. With the new Bluetooth 4.0 technology, the power consumption is extremely low. The button battery CR2032 power supply, standby for more than 2-3 months, and convenient to replace. 2. 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. 3. 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. 4. You can check the position of the map when the device is disconnected. 5. Do not disturb function, you can set a period of silence to prevent interference with work and other important time. 6. 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. 7. Support IOS7.0 or above and Android 4.4 above, the model must support Bluetooth 4.0. Specifications: Item Type: Bluetooth Anti-lost Tracker Optional Colors: White, Black, Pink, Green Battery: CR2032 (Not Included) Frequency Range: 2.402 ~ 2.480GHz Receving Sensitivity: -94dBm Voltage: 2.7 ~ 3.2V Operating Environment: -20°C ~ 70°C Bluetooth Version: Bluetooth 4.0 Low Energy Support for IOS and Android systems: IOS7.0 or above; Android 4.4 or above; Models need to support bluetooth 4.0 standard Support Bluetooth Low Energy(BLE), support two-way alarm Working Distance: Within 25 meters (no obstacle) Scope: Cellphones, Wallets, Cars, Children, Pets And Other Ancillary Objects Item Size: Approx.3.8 * 3.8 * 0.5cm / 1.5 * 1.5 * 0.2inch Package Weight: Approx.9g Package List: 1 x Bluetooth Anti-lost Tracker 1 x Manual