Smart Key Finder Locator Water Drop Pet Key Wallet Anti Lost Wireless Bluetooth Seeker Gifts Material: ABS Size: 31*52mm thickness 11mm 1. Communication protocol: Bluetooth V4.0+EDR 2. Working distance: less than 10 barrier-free 3.APP software: random delivery QR code scan download 4. Battery efficiency: CR203 button battery, the longest lasting for three months 5.APP voice: support English, Chinese 6. Multi-task management, a mobile phone, can manage up to 6 anti-lost devices at the same time. The function of the Bluetooth self-timer anti-lost device: 1· Connect with the Bluetooth function of the mobile phone, and the two-way search function can connect 10 anti-lost devices at the same time; 2· In the connected state, when the anti-lost device exceeds the set Bluetooth range, the mobile phone and the anti-lost device simultaneously alarm; 3. On the mobile phone, you can check the map location when the anti-lost device is disconnected; 4. Provide the DND function, which can be set to mute during a certain period of time to prevent work and other important time from disturbing; 5. Control the phone shooting function with the anti-lost device and remotely control the self-timer. 6. Control the phone recording function with the anti-lost device. Features of the Bluetooth self-timer anti-lost device: 1. Adopting Bluetooth new 4.0 technology, the power consumption is very low, the button battery CR2032 power supply, a genuine battery can work for more than half a year, standby for more than 3 months, replacement is also convenient, all major supermarket convenience stores are sold. 2. Support for IOS system and for ANDROID 4.3 or above system (Bluetooth 4.0 required) 3. The anti-lost device is beautiful and stylish, providing unlimited imagination. The purpose of the Bluetooth self-timer anti-lost device: 1. The anti-lost device is equipped with accessories (such as keys, bags, etc.), and you can also use the self-timer to control the remote control. Very convenient. 2. Alarm reminder to prevent loss; 3. The anti-lost device is placed on the elderly, children, and low-skilled merchants. In complex environments (such as shopping, traveling, etc.), the alarm reminds you to prevent loss. 4. The anti-lost device is hung on the pet, enjoy the time of play, and control the intimate distance at any time.